#254BB5
Closest named color: Blue Blue (#2242C7). oklch(45.4% 0.174 265), rgb(37, 75, 181).
Aa
White text reads best on this color (7.62:1).
About this color
#254BB5 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.174 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.035 away. White text reads best on it, at 7.62:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #254BB5 |
| RGB | rgb(37, 75, 181) |
| HSL | hsl(224, 66%, 43%) |
| OKLCH | oklch(45.4% 0.174 265) |
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 #254BB5 | 7.62:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #254BB5 | 2.75:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #254BB5 text on white | 7.62:1 | AAA | Lc 85.9 | Fine for body text |
| #254BB5 text on black | 2.75:1 | Fails | Lc -16.1 | 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 800.
-
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
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4D7FFF
oklch(63% 0.198 265.1)
-
Step 600
600
#3062F5
oklch(55.6% 0.227 265.1)
-
Step 700
700
#2450D5
oklch(49.1% 0.21 265.1)
-
Step 800
800 (this color)
#254BB5
oklch(45.4% 0.174 265)
-
Step 900
900
#1D3A88
oklch(37.7% 0.135 265)
-
Step 950
950
#112350
oklch(27.1% 0.086 264.8)
#254BB5 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) | #005AB9 | 0.038 |
| Deuteranopia (no green cones) | #004DB3 | 0.019 |
| Tritanopia (no blue cones) | #006678 | 0.137 |
| Achromatopsia (no color) | #545454 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #254BB5
#254BB5
oklch(45.4% 0.174 265)
- #6E5100
#6E5100
oklch(45.3% 0.093 84.6)
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 #254BB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.035
- Sapphire #2138AB ΔE 0.049
- Majorelle Blue #3F37C9 ΔE 0.055
- Cobalt #1E488F ΔE 0.063
- Blueberry #464196 ΔE 0.064
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Dusk Blue #26538D ΔE 0.071
- Blurple #5539CC ΔE 0.076
Use #254BB5 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.