#2A4A6C
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.069 251.2), rgb(42, 74, 108).
Aa
White text reads best on this color (9.15:1).
About this color
#2A4A6C is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 251°. 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 9.15:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #2A4A6C |
| RGB | rgb(42, 74, 108) |
| HSL | hsl(211, 44%, 29%) |
| OKLCH | oklch(40.1% 0.069 251.2) |
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 #2A4A6C | 9.15:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #2A4A6C | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #2A4A6C text on white | 9.15:1 | AAA | Lc 90.9 | Preferred for body text |
| #2A4A6C text on black | 2.29:1 | Fails | Lc -11.4 | 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
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#A9C4E2
oklch(81% 0.052 251.2)
-
Step 400
400
#7AA4D3
oklch(70.6% 0.083 251.8)
-
Step 500
500
#568DC8
oklch(63.1% 0.107 251.4)
-
Step 600
600
#3A76B4
oklch(55.5% 0.115 251.3)
-
Step 700
700
#2C639B
oklch(49.1% 0.107 251.3)
-
Step 800
800
#26517E
oklch(42.7% 0.089 251.6)
-
Step 900
900 (this color)
#2A4A6C
oklch(40.1% 0.069 251.2)
-
Step 950
950
#15283B
oklch(27.1% 0.044 249.7)
#2A4A6C 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) | #3C4C6D | 0.024 |
| Deuteranopia (no green cones) | #33456B | 0.017 |
| Tritanopia (no blue cones) | #005256 | 0.059 |
| Achromatopsia (no color) | #484848 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A4A6C
#2A4A6C
oklch(40.1% 0.069 251.2)
- #5F4119
#5F4119
oklch(40.1% 0.069 71.2)
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 #2A4A6C, 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
- Light Navy #155084 ΔE 0.042
- Charcoal #264653 ΔE 0.043
- Twilight Blue #0A437A ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.044
- Dusk Blue #26538D ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.057
- Deep Teal #00555A ΔE 0.059
Use #2A4A6C 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.