#2549AD
Closest named color: Sapphire (#2138AB). oklch(44.3% 0.165 265.1), rgb(37, 73, 173).
Aa
White text reads best on this color (7.96:1).
About this color
#2549AD is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.165 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.041 away. White text reads best on it, at 7.96:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #2549AD |
| RGB | rgb(37, 73, 173) |
| HSL | hsl(224, 65%, 41%) |
| OKLCH | oklch(44.3% 0.165 265.1) |
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 #2549AD | 7.96:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #2549AD | 2.63:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #2549AD text on white | 7.96:1 | AAA | Lc 87.1 | Fine for body text |
| #2549AD text on black | 2.63:1 | Fails | Lc -15.0 | 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 800.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8D9FE
oklch(88.5% 0.054 265.8)
-
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
#4E7FFF
oklch(63% 0.198 265.3)
-
Step 600
600
#3464EE
oklch(55.5% 0.214 265.2)
-
Step 700
700
#2752D0
oklch(49.1% 0.2 265.1)
-
Step 800
800 (this color)
#2549AD
oklch(44.3% 0.165 265.1)
-
Step 900
900
#1F3B85
oklch(37.7% 0.129 265.1)
-
Step 950
950
#12234E
oklch(26.9% 0.082 265.1)
#2549AD 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) | #0057B0 | 0.036 |
| Deuteranopia (no green cones) | #004BAB | 0.020 |
| Tritanopia (no blue cones) | #006274 | 0.129 |
| Achromatopsia (no color) | #515151 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2549AD
#2549AD
oklch(44.3% 0.165 265.1)
- #6A4E00
#6A4E00
oklch(44.2% 0.091 84.7)
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 #2549AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.041
- Blue Blue #2242C7 ΔE 0.044
- Cobalt #1E488F ΔE 0.050
- Blueberry #464196 ΔE 0.055
- Dusk Blue #26538D ΔE 0.061
- Majorelle Blue #3F37C9 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.072
- Light Navy #155084 ΔE 0.073
Use #2549AD 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.