#2A476F
Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.077 256.7), rgb(42, 71, 111).
Aa
White text reads best on this color (9.42:1).
About this color
#2A476F is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.077 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.034 away. White text reads best on it, at 9.42:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #2A476F |
| RGB | rgb(42, 71, 111) |
| HSL | hsl(215, 45%, 30%) |
| OKLCH | oklch(39.5% 0.077 256.7) |
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 #2A476F | 9.42:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #2A476F | 2.22:1 | Fails | Lc 12.3 | Not readable |
| #2A476F text on white | 9.42:1 | AAA | Lc 91.6 | Preferred for body text |
| #2A476F text on black | 2.22:1 | Fails | Lc -10.7 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDAEF
oklch(88.4% 0.033 258.4)
-
Step 300
300
#A9C3E6
oklch(81% 0.057 255.9)
-
Step 400
400
#7BA3DA
oklch(70.8% 0.092 256.5)
-
Step 500
500
#598BD0
oklch(63.2% 0.118 256.7)
-
Step 600
600
#3E73BD
oklch(55.5% 0.129 257.1)
-
Step 700
700
#3061A3
oklch(49.2% 0.119 256.6)
-
Step 800
800
#284F84
oklch(42.7% 0.099 256.7)
-
Step 900
900 (this color)
#2A476F
oklch(39.5% 0.077 256.7)
-
Step 950
950
#16273E
oklch(27% 0.049 256.3)
#2A476F 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) | #364A71 | 0.019 |
| Deuteranopia (no green cones) | #2D436E | 0.012 |
| Tritanopia (no blue cones) | #005056 | 0.065 |
| Achromatopsia (no color) | #464646 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A476F
#2A476F
oklch(39.5% 0.077 256.7)
- #5D400B
#5D400B
oklch(39.5% 0.076 77)
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 #2A476F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.034
- Twilight Blue #0A437A ΔE 0.035
- Light Navy #155084 ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.047
- Charcoal #264653 ΔE 0.049
- Cobalt #1E488F ΔE 0.054
- Dusk Blue #26538D ΔE 0.056
- Marine Blue #01386A ΔE 0.061
Use #2A476F 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.