#2D5770
Closest named color: YInMn Blue (#415A77). oklch(43.8% 0.063 236.7), rgb(45, 87, 112).
Aa
White text reads best on this color (7.75:1).
About this color
#2D5770 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.063 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.028 away. White text reads best on it, at 7.75:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.70:1 |
| White text | 7.75:1 |
Values
| HEX | #2D5770 |
| RGB | rgb(45, 87, 112) |
| HSL | hsl(202, 43%, 31%) |
| OKLCH | oklch(43.8% 0.063 236.7) |
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 #2D5770 | 7.75:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #2D5770 | 2.70:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #2D5770 text on white | 7.75:1 | AAA | Lc 86.8 | Fine for body text |
| #2D5770 text on black | 2.70:1 | Fails | Lc -15.3 | 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
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#ABC5D6
oklch(80.9% 0.037 236.6)
-
Step 400
400
#7EA7C1
oklch(70.8% 0.059 236.5)
-
Step 500
500
#5C91B1
oklch(63.2% 0.074 236.1)
-
Step 600
600
#407A9D
oklch(55.5% 0.082 237.2)
-
Step 700
700
#326786
oklch(49.1% 0.075 236.7)
-
Step 800
800 (this color)
#2D5770
oklch(43.8% 0.063 236.7)
-
Step 900
900
#274658
oklch(37.8% 0.048 235.5)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#2D5770 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) | #4B5671 | 0.037 |
| Deuteranopia (no green cones) | #424F70 | 0.033 |
| Tritanopia (no blue cones) | #005D5F | 0.047 |
| Achromatopsia (no color) | #535353 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5770
#2D5770
oklch(43.8% 0.063 236.7)
- #6C492E
#6C492E
oklch(43.8% 0.063 57.8)
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 #2D5770, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.028
- Petrol #005F6A ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.042
- Light Navy #155084 ΔE 0.048
- Deep Teal #00555A ΔE 0.049
- Dusty Grape #545775 ΔE 0.052
- Dusk Blue #26538D ΔE 0.053
Use #2D5770 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.