#254BBC
Closest named color: Blue Blue (#2242C7). oklch(46% 0.183 265.4), rgb(37, 75, 188).
Aa
White text reads best on this color (7.46:1).
About this color
#254BBC is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.183 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.027 away. White text reads best on it, at 7.46:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #254BBC |
| RGB | rgb(37, 75, 188) |
| HSL | hsl(225, 67%, 44%) |
| OKLCH | oklch(46% 0.183 265.4) |
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 #254BBC | 7.46:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #254BBC | 2.81:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #254BBC text on white | 7.46:1 | AAA | Lc 85.3 | Fine for body text |
| #254BBC text on black | 2.81:1 | Fails | Lc -16.7 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FB
oklch(88.5% 0.05 266.5)
-
Step 300
300
#A5C0FB
oklch(80.9% 0.089 265.4)
-
Step 400
400
#769DF9
oklch(70.7% 0.142 265.5)
-
Step 500
500
#5381F6
oklch(63.1% 0.182 265.4)
-
Step 600
600
#3A67E4
oklch(55.5% 0.197 265.4)
-
Step 700
700 (this color)
#254BBC
oklch(46% 0.183 265.4)
-
Step 800
800
#2646A1
oklch(42.7% 0.152 265.6)
-
Step 900
900
#223C7F
oklch(37.6% 0.118 265.2)
-
Step 950
950
#14244B
oklch(27.1% 0.075 265)
#254BBC 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) | #005CC0 | 0.042 |
| Deuteranopia (no green cones) | #004EBA | 0.018 |
| Tritanopia (no blue cones) | #00687C | 0.142 |
| Achromatopsia (no color) | #555555 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #254BBC
#254BBC
oklch(46% 0.183 265.4)
- #705300
#705300
oklch(46% 0.094 85.1)
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 #254BBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.027
- Majorelle Blue #3F37C9 ΔE 0.049
- Sapphire #2138AB ΔE 0.053
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Blurple #5539CC ΔE 0.070
- Blueberry #464196 ΔE 0.073
- Cobalt #1E488F ΔE 0.074
- Warm Blue #4B57DB ΔE 0.074
Use #254BBC 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.