#2D5679
Closest named color: Light Navy Blue (#2E5A88). oklch(44% 0.074 246.3), rgb(45, 86, 121).
Aa
White text reads best on this color (7.72:1).
About this color
#2D5679 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.074 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.026 away. White text reads best on it, at 7.72:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #2D5679 |
| RGB | rgb(45, 86, 121) |
| HSL | hsl(208, 46%, 33%) |
| OKLCH | oklch(44% 0.074 246.3) |
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 #2D5679 | 7.72:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #2D5679 | 2.71:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #2D5679 text on white | 7.72:1 | AAA | Lc 86.7 | Fine for body text |
| #2D5679 text on black | 2.71:1 | Fails | Lc -15.4 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300
#ABC4DC
oklch(80.9% 0.044 247.3)
-
Step 400
400
#7DA5CA
oklch(70.6% 0.07 246.9)
-
Step 500
500
#5B8FBC
oklch(63.2% 0.088 245.9)
-
Step 600
600
#3F78A8
oklch(55.5% 0.096 246.1)
-
Step 700
700
#316590
oklch(49.1% 0.089 245.9)
-
Step 800
800 (this color)
#2D5679
oklch(44% 0.074 246.3)
-
Step 900
900
#26445F
oklch(37.6% 0.059 247.2)
-
Step 950
950
#172837
oklch(26.9% 0.036 246.3)
#2D5679 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) | #47577B | 0.032 |
| Deuteranopia (no green cones) | #3D4F78 | 0.026 |
| Tritanopia (no blue cones) | #005E62 | 0.059 |
| Achromatopsia (no color) | #535353 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5679
#2D5679
oklch(44% 0.074 246.3)
- #6E4A21
#6E4A21
oklch(44.1% 0.075 67.2)
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 #2D5679, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.026
- YInMn Blue #415A77 ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.031
- Light Navy #155084 ΔE 0.035
- Dusk Blue #26538D ΔE 0.037
- Dusk #4E5481 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.046
- Petrol #005F6A ΔE 0.049
Use #2D5679 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.