#247AFD
Named color: Clear Blue. oklch(60.6% 0.211 259.4), rgb(36, 122, 253).
Aa
Black text reads best on this color (5.27:1).
About this color
#247AFD is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.211 and its hue 259°. Its hue sits on the cool side of the wheel. It is the named color Clear Blue. Black text reads best on it, at 5.27:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.211) |
| Temperature | cool |
| Nearest name | Clear Blue |
| Black text | 5.27:1 |
| White text | 3.97:1 |
Values
| HEX | #247AFD |
| RGB | rgb(36, 122, 253) |
| HSL | hsl(216, 98%, 57%) |
| OKLCH | oklch(60.6% 0.211 259.4) |
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 #247AFD | 3.97:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #247AFD | 5.27:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #247AFD text on white | 3.97:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #247AFD text on black | 5.27:1 | AA | Lc -35.2 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFE
oklch(93.6% 0.029 257.8)
-
Step 200
200
#C4DBFF
oklch(88.6% 0.056 259.3)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#64A0FF
oklch(70.8% 0.153 259.2)
-
Step 500
500 (this color)
#247AFD
oklch(60.6% 0.211 259.4)
-
Step 600
600
#0069F0
oklch(55.7% 0.219 259.3)
-
Step 700
700
#0057CC
oklch(49% 0.195 259.5)
-
Step 800
800
#0047A9
oklch(42.7% 0.169 259.5)
-
Step 900
900
#093C89
oklch(37.6% 0.139 259.6)
-
Step 950
950
#082450
oklch(26.9% 0.088 259.4)
#247AFD 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) | #138AFF | 0.039 |
| Deuteranopia (no green cones) | #0076FA | 0.017 |
| Tritanopia (no blue cones) | #009AB0 | 0.160 |
| Achromatopsia (no color) | #7F7F7F | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #247AFD
#247AFD
oklch(60.6% 0.211 259.4)
- #A97700
#A97700
oklch(60.4% 0.125 79.2)
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 #247AFD, closest first.
No curated palette has a color within ΔE 0.04 of #247AFD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.040
- Bright Blue #0165FC ΔE 0.054
- Dodger Blue #1E90FF ΔE 0.055
- Royal Blue #4169E1 ΔE 0.057
- Neon Blue #4361EE ΔE 0.061
- Cornflower #6A79F7 ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.073
- Azul #1D5DEC ΔE 0.074
Use #247AFD 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.