#498BE6
Closest named color: Dark Sky Blue (#448EE4). oklch(63.7% 0.153 257), rgb(73, 139, 230).
Aa
Black text reads best on this color (6.11:1).
About this color
#498BE6 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.153 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.009 away. Black text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #498BE6 |
| RGB | rgb(73, 139, 230) |
| HSL | hsl(215, 76%, 59%) |
| OKLCH | oklch(63.7% 0.153 257) |
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 #498BE6 | 3.43:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #498BE6 | 6.11:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #498BE6 text on white | 3.43:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #498BE6 text on black | 6.11:1 | AA | Lc -40.2 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A2C3F1
oklch(80.9% 0.075 256.7)
-
Step 400
400
#6FA2EA
oklch(70.6% 0.119 257.1)
-
Step 500
500 (this color)
#498BE6
oklch(63.7% 0.153 257)
-
Step 600
600
#2771D2
oklch(55.6% 0.166 257)
-
Step 700
700
#195EB6
oklch(49.1% 0.155 257)
-
Step 800
800
#184D93
oklch(42.7% 0.128 257.1)
-
Step 900
900
#1A4175
oklch(37.7% 0.099 256.7)
-
Step 950
950
#102645
oklch(26.9% 0.064 257.3)
#498BE6 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) | #6192EA | 0.032 |
| Deuteranopia (no green cones) | #4984E4 | 0.018 |
| Tritanopia (no blue cones) | #00A0AD | 0.122 |
| Achromatopsia (no color) | #8A8A8A | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #498BE6
#498BE6
oklch(63.7% 0.153 257)
- #B87F00
#B87F00
oklch(63.8% 0.133 77.2)
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 #498BE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.009
- Chefchaouen Blue #4895EF ΔE 0.028
- Soft Blue #6488EA ΔE 0.028
- Cornflower Blue #6495ED ΔE 0.041
- Dodger Blue #1E90FF ΔE 0.042
- Water Blue #0E87CC ΔE 0.054
- Cornflower #6A79F7 ΔE 0.062
- Clear Blue #247AFD ΔE 0.067
Use #498BE6 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.