#2455D2
Closest named color: Warm Blue (#4B57DB). oklch(49.8% 0.2 264.1), rgb(36, 85, 210).
Aa
White text reads best on this color (6.35:1).
About this color
#2455D2 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.200 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.043 away. White text reads best on it, at 6.35:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #2455D2 |
| RGB | rgb(36, 85, 210) |
| HSL | hsl(223, 71%, 48%) |
| OKLCH | oklch(49.8% 0.2 264.1) |
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 #2455D2 | 6.35:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #2455D2 | 3.30:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #2455D2 text on white | 6.35:1 | AA | Lc 80.9 | Fine for body text |
| #2455D2 text on black | 3.30:1 | AA large text | Lc -21.0 | 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
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C7DAFE
oklch(88.6% 0.054 263.2)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400
#6F9DFF
oklch(70.7% 0.152 263.9)
-
Step 500
500
#4A80FF
oklch(63.1% 0.198 264.2)
-
Step 600
600
#2E65EF
oklch(55.6% 0.216 264.1)
-
Step 700
700 (this color)
#2455D2
oklch(49.8% 0.2 264.1)
-
Step 800
800
#1D45A8
oklch(42.8% 0.166 264)
-
Step 900
900
#1D3B85
oklch(37.7% 0.13 264.4)
-
Step 950
950
#11234E
oklch(26.9% 0.083 264.4)
#2455D2 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) | #0068D6 | 0.046 |
| Deuteranopia (no green cones) | #0058D0 | 0.015 |
| Tritanopia (no blue cones) | #00758B | 0.154 |
| Achromatopsia (no color) | #5F5F5F | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2455D2
#2455D2
oklch(49.8% 0.2 264.1)
- #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 #2455D2, closest first.
No curated palette has a color within ΔE 0.04 of #2455D2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.043
- Azul #1D5DEC ΔE 0.044
- Blue Blue #2242C7 ΔE 0.047
- Neon Blue #4361EE ΔE 0.062
- Royal Blue #4169E1 ΔE 0.064
- Majorelle Blue #3F37C9 ΔE 0.065
- Electric Blue #0652FF ΔE 0.070
- Cerulean Blue #056EEE ΔE 0.071
Use #2455D2 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.