#2A4967
Closest named color: Dark Grey Blue (#29465B). oklch(39.6% 0.063 248.9), rgb(42, 73, 103).
Aa
White text reads best on this color (9.34:1).
About this color
#2A4967 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.063 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.021 away. White text reads best on it, at 9.34:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #2A4967 |
| RGB | rgb(42, 73, 103) |
| HSL | hsl(210, 42%, 28%) |
| OKLCH | oklch(39.6% 0.063 248.9) |
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 #2A4967 | 9.34:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #2A4967 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #2A4967 text on white | 9.34:1 | AAA | Lc 91.5 | Preferred for body text |
| #2A4967 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
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#AAC4DE
oklch(80.9% 0.046 248.4)
-
Step 400
400
#7CA5CE
oklch(70.7% 0.075 248.9)
-
Step 500
500
#598EC2
oklch(63.1% 0.097 249.2)
-
Step 600
600
#3D77AE
oklch(55.5% 0.105 249.1)
-
Step 700
700
#2F6496
oklch(49.1% 0.098 249.3)
-
Step 800
800
#285279
oklch(42.7% 0.08 248.7)
-
Step 900
900 (this color)
#2A4967
oklch(39.6% 0.063 248.9)
-
Step 950
950
#162839
oklch(27% 0.04 248.2)
#2A4967 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) | #3C4A68 | 0.024 |
| Deuteranopia (no green cones) | #344466 | 0.018 |
| Tritanopia (no blue cones) | #005053 | 0.055 |
| Achromatopsia (no color) | #474747 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A4967
#2A4967
oklch(39.6% 0.063 248.9)
- #5C401E
#5C401E
oklch(39.5% 0.062 69.6)
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 #2A4967, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.021
- Charcoal #264653 ΔE 0.035
- Twilight Blue #0A437A ΔE 0.048
- Light Navy #155084 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.051
- Deep Teal #00555A ΔE 0.055
- Dark Teal #014D4E ΔE 0.058
Use #2A4967 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.