#2A576E
Closest named color: YInMn Blue (#415A77). oklch(43.5% 0.062 233), rgb(42, 87, 110).
Aa
White text reads best on this color (7.81:1).
About this color
#2A576E is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.062 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.033 away. White text reads best on it, at 7.81:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #2A576E |
| RGB | rgb(42, 87, 110) |
| HSL | hsl(200, 45%, 30%) |
| OKLCH | oklch(43.5% 0.062 233) |
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 #2A576E | 7.81:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #2A576E | 2.68:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #2A576E text on white | 7.81:1 | AAA | Lc 87.0 | Fine for body text |
| #2A576E text on black | 2.68:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#AAC5D5
oklch(80.8% 0.037 233.9)
-
Step 400
400
#7CA7BF
oklch(70.6% 0.058 233.1)
-
Step 500
500
#5991AF
oklch(63% 0.074 233.1)
-
Step 600
600
#3D7B9B
oklch(55.5% 0.081 233.3)
-
Step 700
700
#2E6885
oklch(49.2% 0.076 233)
-
Step 800
800 (this color)
#2A576E
oklch(43.5% 0.062 233)
-
Step 900
900
#254657
oklch(37.7% 0.048 232.5)
-
Step 950
950
#162933
oklch(26.9% 0.031 232.5)
#2A576E 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) | #4C566F | 0.041 |
| Deuteranopia (no green cones) | #424F6E | 0.035 |
| Tritanopia (no blue cones) | #005D5F | 0.043 |
| Achromatopsia (no color) | #525252 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A576E
#2A576E
oklch(43.5% 0.062 233)
- #6C4730
#6C4730
oklch(43.4% 0.062 52.3)
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 #2A576E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.033
- Petrol #005F6A ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.043
- Deep Teal #00555A ΔE 0.045
- Light Navy #155084 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dusty Grape #545775 ΔE 0.055
Use #2A576E 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.