#2D5A72
Closest named color: YInMn Blue (#415A77). oklch(44.6% 0.063 233.9), rgb(45, 90, 114).
Aa
White text reads best on this color (7.45:1).
About this color
#2D5A72 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.063 and its hue 234°. 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 7.45:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #2D5A72 |
| RGB | rgb(45, 90, 114) |
| HSL | hsl(201, 43%, 31%) |
| OKLCH | oklch(44.6% 0.063 233.9) |
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 #2D5A72 | 7.45:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #2D5A72 | 2.81:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #2D5A72 text on white | 7.45:1 | AAA | Lc 85.8 | Fine for body text |
| #2D5A72 text on black | 2.81:1 | Fails | Lc -16.3 | 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
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#AAC5D5
oklch(80.8% 0.037 233.9)
-
Step 400
400
#7CA7C0
oklch(70.6% 0.059 234.2)
-
Step 500
500
#5991B0
oklch(63% 0.075 234)
-
Step 600
600
#3D7B9C
oklch(55.6% 0.082 234.2)
-
Step 700
700
#2E6885
oklch(49.2% 0.076 233)
-
Step 800
800 (this color)
#2D5A72
oklch(44.6% 0.063 233.9)
-
Step 900
900
#254658
oklch(37.7% 0.05 234)
-
Step 950
950
#162933
oklch(26.9% 0.031 232.5)
#2D5A72 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) | #4E5973 | 0.040 |
| Deuteranopia (no green cones) | #455272 | 0.035 |
| Tritanopia (no blue cones) | #006062 | 0.045 |
| Achromatopsia (no color) | #555555 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5A72
#2D5A72
oklch(44.6% 0.063 233.9)
- #704A32
#704A32
oklch(44.6% 0.063 52.7)
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 #2D5A72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.025
- Petrol #005F6A ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.045
- Dusty Grape #545775 ΔE 0.050
- Denim #3B638C ΔE 0.050
- Light Navy #155084 ΔE 0.053
- Deep Teal #00555A ΔE 0.053
Use #2D5A72 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.