#2474ED
Closest named color: Cerulean Blue (#056EEE). oklch(58.1% 0.198 259.2), rgb(36, 116, 237).
Aa
Black text reads best on this color (4.79:1).
About this color
#2474ED is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.198 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.020 away. Black text reads best on it, at 4.79:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.79:1 |
| White text | 4.37:1 |
Values
| HEX | #2474ED |
| RGB | rgb(36, 116, 237) |
| HSL | hsl(216, 85%, 54%) |
| OKLCH | oklch(58.1% 0.198 259.2) |
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 #2474ED | 4.37:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #2474ED | 4.79:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #2474ED text on white | 4.37:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #2474ED text on black | 4.79:1 | AA | Lc -32.0 | 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 600.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DBFB
oklch(88.6% 0.05 258.7)
-
Step 300
300
#9EC2FB
oklch(80.9% 0.09 259.4)
-
Step 400
400
#69A0F8
oklch(70.6% 0.142 259.4)
-
Step 500
500
#3E86F5
oklch(63.2% 0.181 259)
-
Step 600
600 (this color)
#2474ED
oklch(58.1% 0.198 259.2)
-
Step 700
700
#0B59C6
oklch(49.1% 0.184 259.2)
-
Step 800
800
#0F4AA0
oklch(42.8% 0.151 259.1)
-
Step 900
900
#153F7F
oklch(37.8% 0.118 259)
-
Step 950
950
#0E254A
oklch(26.9% 0.075 259.5)
#2474ED 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) | #1E82F1 | 0.035 |
| Deuteranopia (no green cones) | #0070EB | 0.017 |
| Tritanopia (no blue cones) | #0092A5 | 0.152 |
| Achromatopsia (no color) | #797979 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2474ED
#2474ED
oklch(58.1% 0.198 259.2)
- #A07100
#A07100
oklch(58.2% 0.121 79.7)
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 #2474ED, closest first.
No curated palette has a color within ΔE 0.04 of #2474ED.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.020
- Clear Blue #247AFD ΔE 0.028
- Royal Blue #4169E1 ΔE 0.034
- Neon Blue #4361EE ΔE 0.046
- Bright Blue #0165FC ΔE 0.046
- Azul #1D5DEC ΔE 0.056
- Cornflower #6A79F7 ΔE 0.071
- Windows Blue #3778BF ΔE 0.073
Use #2474ED 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.