#2A5D77
Closest named color: YInMn Blue (#415A77). oklch(45.5% 0.069 233.3), rgb(42, 93, 119).
Aa
White text reads best on this color (7.16:1).
About this color
#2A5D77 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.069 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.025 away. White text reads best on it, at 7.16:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #2A5D77 |
| RGB | rgb(42, 93, 119) |
| HSL | hsl(200, 48%, 32%) |
| OKLCH | oklch(45.5% 0.069 233.3) |
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 #2A5D77 | 7.16:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #2A5D77 | 2.93:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #2A5D77 text on white | 7.16:1 | AAA | Lc 84.7 | Fine for body text |
| #2A5D77 text on black | 2.93:1 | Fails | Lc -17.3 | 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
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A8C6D7
oklch(81% 0.04 232.8)
-
Step 400
400
#78A8C3
oklch(70.7% 0.065 233.5)
-
Step 500
500
#5392B4
oklch(63.1% 0.083 233.8)
-
Step 600
600
#347C9F
oklch(55.6% 0.089 232.7)
-
Step 700
700
#266888
oklch(49% 0.083 233.3)
-
Step 800
800 (this color)
#2A5D77
oklch(45.5% 0.069 233.3)
-
Step 900
900
#21465A
oklch(37.6% 0.054 234.4)
-
Step 950
950
#142934
oklch(26.9% 0.034 232.8)
#2A5D77 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) | #505C78 | 0.044 |
| Deuteranopia (no green cones) | #465477 | 0.039 |
| Tritanopia (no blue cones) | #006466 | 0.046 |
| Achromatopsia (no color) | #585858 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5D77
#2A5D77
oklch(45.5% 0.069 233.3)
- #754C31
#754C31
oklch(45.6% 0.069 53.5)
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 #2A5D77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.025
- Light Navy Blue #2E5A88 ΔE 0.033
- Petrol #005F6A ΔE 0.034
- Denim #3B638C ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.045
- Dark Aqua #05696B ΔE 0.050
- Peacock Blue #016795 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.051
Use #2A5D77 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.