#2A486C
Closest named color: Dark Grey Blue (#29465B). oklch(39.6% 0.071 253.9), rgb(42, 72, 108).
Aa
White text reads best on this color (9.36:1).
About this color
#2A486C 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 0.029 away. White text reads best on it, at 9.36:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #2A486C |
| RGB | rgb(42, 72, 108) |
| HSL | hsl(213, 44%, 29%) |
| OKLCH | oklch(39.6% 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 #2A486C | 9.36:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #2A486C | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #2A486C text on white | 9.36:1 | AAA | Lc 91.5 | Preferred for body text |
| #2A486C text on black | 2.24:1 | Fails | Lc -10.9 | 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)
#2A486C
oklch(39.6% 0.071 253.9)
-
Step 950
950
#16273C
oklch(26.9% 0.046 254.4)
#2A486C 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) | #394A6E | 0.021 |
| Deuteranopia (no green cones) | #30446B | 0.013 |
| Tritanopia (no blue cones) | #005055 | 0.061 |
| Achromatopsia (no color) | #464646 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A486C
#2A486C
oklch(39.6% 0.071 253.9)
- #5D4014
#5D4014
oklch(39.5% 0.071 73.9)
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 #2A486C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Twilight Blue #0A437A ΔE 0.040
- Light Navy #155084 ΔE 0.043
- Charcoal #264653 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.048
- Dusk Blue #26538D ΔE 0.058
- Cobalt #1E488F ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.061
Use #2A486C 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.