#2D5C81
Closest named color: Light Navy Blue (#2E5A88). oklch(45.9% 0.079 244.6), rgb(45, 92, 129).
Aa
White text reads best on this color (7.09:1).
About this color
#2D5C81 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.079 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.014 away. White text reads best on it, at 7.09:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.95:1 |
| White text | 7.09:1 |
Values
| HEX | #2D5C81 |
| RGB | rgb(45, 92, 129) |
| HSL | hsl(206, 48%, 34%) |
| OKLCH | oklch(45.9% 0.079 244.6) |
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 #2D5C81 | 7.09:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #2D5C81 | 2.95:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #2D5C81 text on white | 7.09:1 | AAA | Lc 84.4 | Fine for body text |
| #2D5C81 text on black | 2.95:1 | 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 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ADC4D8
oklch(80.9% 0.038 244.5)
-
Step 400
400
#80A5C5
oklch(70.6% 0.062 244.9)
-
Step 500
500
#5F8FB6
oklch(63.1% 0.079 244)
-
Step 600
600
#4578A2
oklch(55.5% 0.086 245.1)
-
Step 700
700 (this color)
#2D5C81
oklch(45.9% 0.079 244.6)
-
Step 800
800
#2D5371
oklch(42.8% 0.066 244.1)
-
Step 900
900
#29445B
oklch(37.6% 0.052 245.5)
-
Step 950
950
#182835
oklch(26.9% 0.033 243.9)
#2D5C81 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) | #4C5D83 | 0.037 |
| Deuteranopia (no green cones) | #405480 | 0.029 |
| Tritanopia (no blue cones) | #006569 | 0.060 |
| Achromatopsia (no color) | #585858 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5C81
#2D5C81
oklch(45.9% 0.079 244.6)
- #764E23
#764E23
oklch(46% 0.079 65.4)
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 #2D5C81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.014
- YInMn Blue #415A77 ΔE 0.025
- Denim #3B638C ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.033
- Dusk Blue #26538D ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.039
- Peacock Blue #016795 ΔE 0.042
- Dusk #4E5481 ΔE 0.044
Use #2D5C81 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.