#497DFB
Closest named color: Clear Blue (#247AFD). oklch(62.2% 0.196 264.5), rgb(73, 125, 251).
Aa
Black text reads best on this color (5.60:1).
About this color
#497DFB is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.196 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.028 away. Black text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #497DFB |
| RGB | rgb(73, 125, 251) |
| HSL | hsl(222, 96%, 64%) |
| OKLCH | oklch(62.2% 0.196 264.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #497DFB | 3.74:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #497DFB | 5.60:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #497DFB text on white | 3.74:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #497DFB text on black | 5.60:1 | AA | Lc -37.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8D9FD
oklch(88.4% 0.053 265.3)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#709DFF
oklch(70.7% 0.152 264.2)
-
Step 500
500 (this color)
#497DFB
oklch(62.2% 0.196 264.5)
-
Step 600
600
#3165EE
oklch(55.6% 0.214 264.5)
-
Step 700
700
#2553CF
oklch(49.2% 0.198 264.5)
-
Step 800
800
#1F45A7
oklch(42.7% 0.164 264.4)
-
Step 900
900
#1E3B84
oklch(37.6% 0.128 264.6)
-
Step 950
950
#12234D
oklch(26.9% 0.081 264.9)
#497DFB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2F8DFF | 0.040 |
| Deuteranopia (no green cones) | #007CF8 | 0.037 |
| Tritanopia (no blue cones) | #009BB0 | 0.157 |
| Achromatopsia (no color) | #848484 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #497DFB
#497DFB
oklch(62.2% 0.196 264.5)
- #AA7F00
#AA7F00
oklch(62.2% 0.127 84.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #497DFB, closest first.
No curated palette has a color within ΔE 0.04 of #497DFB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.028
- Cornflower #6A79F7 ΔE 0.036
- Dodger Blue #1E90FF ΔE 0.049
- Soft Blue #6488EA ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.060
- Cerulean Blue #056EEE ΔE 0.062
- Royal Blue #4169E1 ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.067
Use #497DFB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.