#2951A3
Closest named color: Dusk Blue (#26538D). oklch(45.3% 0.14 262.6), rgb(41, 81, 163).
Aa
White text reads best on this color (7.49:1).
About this color
#2951A3 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.140 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.038 away. White text reads best on it, at 7.49:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #2951A3 |
| RGB | rgb(41, 81, 163) |
| HSL | hsl(220, 60%, 40%) |
| OKLCH | oklch(45.3% 0.14 262.6) |
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 #2951A3 | 7.49:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #2951A3 | 2.80:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #2951A3 text on white | 7.49:1 | AAA | Lc 85.7 | Fine for body text |
| #2951A3 text on black | 2.80:1 | Fails | Lc -16.4 | 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
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A4C1F6
oklch(80.8% 0.082 262.3)
-
Step 400
400
#749FF2
oklch(70.7% 0.131 262.7)
-
Step 500
500
#5085EE
oklch(63.2% 0.168 262.5)
-
Step 600
600
#356BDC
oklch(55.5% 0.183 262.7)
-
Step 700
700
#2859BF
oklch(49.2% 0.169 262.6)
-
Step 800
800 (this color)
#2951A3
oklch(45.3% 0.14 262.6)
-
Step 900
900
#203E7B
oklch(37.7% 0.11 262.6)
-
Step 950
950
#132548
oklch(27% 0.069 262.3)
#2951A3 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) | #215BA6 | 0.027 |
| Deuteranopia (no green cones) | #004FA1 | 0.025 |
| Tritanopia (no blue cones) | #006572 | 0.112 |
| Achromatopsia (no color) | #555555 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2951A3
#2951A3
oklch(45.3% 0.14 262.6)
- #6F5000
#6F5000
oklch(45.2% 0.093 82.7)
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 #2951A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.038
- Cobalt #1E488F ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.048
- Blueberry #464196 ΔE 0.052
- Light Navy #155084 ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.055
- Twilight #4E518B ΔE 0.058
- Deep Sea Blue #015482 ΔE 0.062
Use #2951A3 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.