#2B496D
Closest named color: Dark Grey Blue (#29465B). oklch(40% 0.071 253.9), rgb(43, 73, 109).
Aa
White text reads best on this color (9.22:1).
About this color
#2B496D is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.031 away. White text reads best on it, at 9.22:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #2B496D |
| RGB | rgb(43, 73, 109) |
| HSL | hsl(213, 43%, 30%) |
| OKLCH | oklch(40% 0.071 253.9) |
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 #2B496D | 9.22:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #2B496D | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #2B496D text on white | 9.22:1 | AAA | Lc 91.1 | Preferred for body text |
| #2B496D text on black | 2.27:1 | Fails | Lc -11.2 | Not readable |
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 900.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#A9C3E3
oklch(80.8% 0.054 253.8)
-
Step 400
400
#7BA4D5
oklch(70.8% 0.085 253.3)
-
Step 500
500
#598CCA
oklch(63.1% 0.109 254.1)
-
Step 600
600
#3D75B7
oklch(55.6% 0.119 253.9)
-
Step 700
700
#2F629D
oklch(49.1% 0.11 253.7)
-
Step 800
800
#285080
oklch(42.7% 0.092 254.3)
-
Step 900
900 (this color)
#2B496D
oklch(40% 0.071 253.9)
-
Step 950
950
#16273C
oklch(26.9% 0.046 254.4)
#2B496D 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) | #3A4B6F | 0.021 |
| Deuteranopia (no green cones) | #32456C | 0.014 |
| Tritanopia (no blue cones) | #005156 | 0.061 |
| Achromatopsia (no color) | #474747 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B496D
#2B496D
oklch(40% 0.071 253.9)
- #5E4115
#5E4115
oklch(39.9% 0.071 74.1)
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 #2B496D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.031
- Light Navy #155084 ΔE 0.041
- Twilight Blue #0A437A ΔE 0.042
- Charcoal #264653 ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.045
- Dusk Blue #26538D ΔE 0.056
- Cobalt #1E488F ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.060
Use #2B496D 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.