#29566B
Closest named color: Petrol (#005F6A). oklch(43.1% 0.06 230.6), rgb(41, 86, 107).
Aa
White text reads best on this color (7.96:1).
About this color
#29566B is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.060 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.034 away. White text reads best on it, at 7.96:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #29566B |
| RGB | rgb(41, 86, 107) |
| HSL | hsl(199, 45%, 29%) |
| OKLCH | oklch(43.1% 0.06 230.6) |
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 #29566B | 7.96:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #29566B | 2.63:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #29566B text on white | 7.96:1 | AAA | Lc 87.4 | Fine for body text |
| #29566B text on black | 2.63:1 | Fails | Lc -14.7 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#AAC5D3
oklch(80.8% 0.035 230.3)
-
Step 400
400
#7CA8BE
oklch(70.8% 0.057 230.2)
-
Step 500
500
#5A92AD
oklch(63.2% 0.072 230.3)
-
Step 600
600
#3D7C99
oklch(55.7% 0.079 230.3)
-
Step 700
700
#2F6882
oklch(49.1% 0.072 230.5)
-
Step 800
800 (this color)
#29566B
oklch(43.1% 0.06 230.6)
-
Step 900
900
#254656
oklch(37.6% 0.047 230.9)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#29566B 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) | #4B556C | 0.041 |
| Deuteranopia (no green cones) | #424E6B | 0.036 |
| Tritanopia (no blue cones) | #005C5D | 0.042 |
| Achromatopsia (no color) | #515151 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #29566B
#29566B
oklch(43.1% 0.06 230.6)
- #6B4631
#6B4631
oklch(43.1% 0.061 50.1)
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 #29566B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.034
- YInMn Blue #415A77 ΔE 0.037
- Deep Teal #00555A ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.052
- Light Navy #155084 ΔE 0.052
Use #29566B 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.