#2255D3
Closest named color: Azul (#1D5DEC). oklch(49.8% 0.202 263.8), rgb(34, 85, 211).
Aa
White text reads best on this color (6.34:1).
About this color
#2255D3 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.202 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.043 away. White text reads best on it, at 6.34:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.30:1 |
| White text | 6.34:1 |
Values
| HEX | #2255D3 |
| RGB | rgb(34, 85, 211) |
| HSL | hsl(223, 72%, 48%) |
| OKLCH | oklch(49.8% 0.202 263.8) |
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 #2255D3 | 6.34:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #2255D3 | 3.30:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #2255D3 text on white | 6.34:1 | AA | Lc 80.8 | Fine for body text |
| #2255D3 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
#4980FF
oklch(63% 0.198 264)
-
Step 600
600
#2C65F0
oklch(55.6% 0.218 263.8)
-
Step 700
700 (this color)
#2255D3
oklch(49.8% 0.202 263.8)
-
Step 800
800
#1C45A8
oklch(42.7% 0.166 263.7)
-
Step 900
900
#1C3B85
oklch(37.6% 0.13 264)
-
Step 950
950
#11234E
oklch(26.9% 0.083 264.4)
#2255D3 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) | #0068D7 | 0.045 |
| Deuteranopia (no green cones) | #0058D1 | 0.014 |
| Tritanopia (no blue cones) | #00758C | 0.154 |
| Achromatopsia (no color) | #5F5F5F | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2255D3
#2255D3
oklch(49.8% 0.202 263.8)
- #7E5C00
#7E5C00
oklch(49.7% 0.102 83.4)
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 #2255D3, closest first.
No curated palette has a color within ΔE 0.04 of #2255D3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.043
- Warm Blue #4B57DB 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 0.068
- Cerulean Blue #056EEE ΔE 0.071
Use #2255D3 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.