#2D5E75
Closest named color: YInMn Blue (#415A77). oklch(45.8% 0.065 230.8), rgb(45, 94, 117).
Aa
White text reads best on this color (7.07:1).
About this color
#2D5E75 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.065 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.024 away. White text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #2D5E75 |
| RGB | rgb(45, 94, 117) |
| HSL | hsl(199, 44%, 32%) |
| OKLCH | oklch(45.8% 0.065 230.8) |
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 #2D5E75 | 7.07:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #2D5E75 | 2.96:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #2D5E75 text on white | 7.07:1 | AAA | Lc 84.4 | Fine for body text |
| #2D5E75 text on black | 2.96:1 | Fails | Lc -17.6 | 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
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A9C6D5
oklch(81% 0.038 230.3)
-
Step 400
400
#7AA8C0
oklch(70.7% 0.06 231.4)
-
Step 500
500
#5592B0
oklch(63% 0.078 231.1)
-
Step 600
600
#387C9C
oklch(55.6% 0.084 231.4)
-
Step 700
700
#296885
oklch(49% 0.079 231.5)
-
Step 800
800 (this color)
#2D5E75
oklch(45.8% 0.065 230.8)
-
Step 900
900
#234658
oklch(37.6% 0.051 232.8)
-
Step 950
950
#152933
oklch(26.9% 0.032 231.4)
#2D5E75 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) | #525D76 | 0.044 |
| Deuteranopia (no green cones) | #485575 | 0.039 |
| Tritanopia (no blue cones) | #006466 | 0.043 |
| Achromatopsia (no color) | #585858 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5E75
#2D5E75
oklch(45.8% 0.065 230.8)
- #754D35
#754D35
oklch(45.9% 0.065 51.4)
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 #2D5E75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.024
- Petrol #005F6A ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.037
- Denim #3B638C ΔE 0.042
- Dark Aqua #05696B ΔE 0.046
- Slate #516572 ΔE 0.050
- Dusty Grape #545775 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.051
Use #2D5E75 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.