#2455D4
Closest named color: Azul (#1D5DEC). oklch(50% 0.203 264.2), rgb(36, 85, 212).
Aa
White text reads best on this color (6.31:1).
About this color
#2455D4 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.203 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.041 away. White text reads best on it, at 6.31:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.203) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #2455D4 |
| RGB | rgb(36, 85, 212) |
| HSL | hsl(223, 71%, 49%) |
| OKLCH | oklch(50% 0.203 264.2) |
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 #2455D4 | 6.31:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #2455D4 | 3.32:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #2455D4 text on white | 6.31:1 | AA | Lc 80.7 | Fine for body text |
| #2455D4 text on black | 3.32:1 | AA large text | Lc -21.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C7DAFE
oklch(88.6% 0.054 263.2)
-
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
#4A80FF
oklch(63.1% 0.198 264.2)
-
Step 600
600
#2E65F0
oklch(55.7% 0.217 264.1)
-
Step 700
700 (this color)
#2455D4
oklch(50% 0.203 264.2)
-
Step 800
800
#1D44A9
oklch(42.6% 0.168 264.3)
-
Step 900
900
#1C3B86
oklch(37.7% 0.131 264.1)
-
Step 950
950
#11234E
oklch(26.9% 0.083 264.4)
#2455D4 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) | #0068D8 | 0.045 |
| Deuteranopia (no green cones) | #0058D2 | 0.015 |
| Tritanopia (no blue cones) | #00768C | 0.157 |
| Achromatopsia (no color) | #606060 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2455D4
#2455D4
oklch(50% 0.203 264.2)
- #7E5D00
#7E5D00
oklch(49.9% 0.102 84.4)
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 #2455D4, closest first.
No curated palette has a color within ΔE 0.04 of #2455D4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.041
- Warm Blue #4B57DB ΔE 0.042
- Blue Blue #2242C7 ΔE 0.048
- Neon Blue #4361EE ΔE 0.060
- Royal Blue #4169E1 ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.065
- Electric Blue #0652FF ΔE 0.067
- Cerulean Blue #056EEE ΔE 0.070
Use #2455D4 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.