#2250A4
Closest named color: Dusk Blue (#26538D). oklch(44.9% 0.145 261.2), rgb(34, 80, 164).
Aa
White text reads best on this color (7.63:1).
About this color
#2250A4 is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.145 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.040 away. White text reads best on it, at 7.63:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.75:1 |
| White text | 7.63:1 |
Values
| HEX | #2250A4 |
| RGB | rgb(34, 80, 164) |
| HSL | hsl(219, 66%, 39%) |
| OKLCH | oklch(44.9% 0.145 261.2) |
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 #2250A4 | 7.63:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #2250A4 | 2.75:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #2250A4 text on white | 7.63:1 | AAA | Lc 86.1 | Fine for body text |
| #2250A4 text on black | 2.75:1 | Fails | Lc -16.0 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A2C2F8
oklch(81% 0.084 260.7)
-
Step 400
400
#70A0F5
oklch(70.8% 0.135 261.2)
-
Step 500
500
#4A85F1
oklch(63.2% 0.174 261.3)
-
Step 600
600
#2C6CDF
oklch(55.7% 0.188 261)
-
Step 700
700
#1F59C2
oklch(49.1% 0.175 261.2)
-
Step 800
800 (this color)
#2250A4
oklch(44.9% 0.145 261.2)
-
Step 900
900
#1C3E7D
oklch(37.6% 0.114 261.4)
-
Step 950
950
#112549
oklch(27% 0.072 261.1)
#2250A4 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) | #1B5AA7 | 0.027 |
| Deuteranopia (no green cones) | #004EA2 | 0.019 |
| Tritanopia (no blue cones) | #006472 | 0.112 |
| Achromatopsia (no color) | #545454 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2250A4
#2250A4
oklch(44.9% 0.145 261.2)
- #6F4F00
#6F4F00
oklch(45% 0.093 81.6)
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 #2250A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.040
- Cobalt #1E488F ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.054
- Light Navy #155084 ΔE 0.054
- Blueberry #464196 ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.059
- Sapphire #2138AB ΔE 0.061
- Deep Sea Blue #015482 ΔE 0.062
Use #2250A4 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.