#2D588A
Closest named color: Light Navy Blue (#2E5A88). oklch(45.4% 0.095 253.6), rgb(45, 88, 138).
Aa
White text reads best on this color (7.30:1).
About this color
#2D588A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.095 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.008 away. White text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #2D588A |
| RGB | rgb(45, 88, 138) |
| HSL | hsl(212, 51%, 36%) |
| OKLCH | oklch(45.4% 0.095 253.6) |
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 #2D588A | 7.30:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #2D588A | 2.87:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #2D588A text on white | 7.30:1 | AAA | Lc 85.2 | Fine for body text |
| #2D588A text on black | 2.87:1 | Fails | Lc -16.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CBDBEE
oklch(88.5% 0.031 252.7)
-
Step 300
300
#A8C3E5
oklch(80.9% 0.057 254.3)
-
Step 400
400
#79A4D7
oklch(70.7% 0.089 253.2)
-
Step 500
500
#568CCD
oklch(63.1% 0.114 254)
-
Step 600
600
#3A75BA
oklch(55.6% 0.124 253.9)
-
Step 700
700
#2C62A0
oklch(49.1% 0.115 253.8)
-
Step 800
800 (this color)
#2D588A
oklch(45.4% 0.095 253.6)
-
Step 900
900
#234368
oklch(37.7% 0.074 253.3)
-
Step 950
950
#15273D
oklch(26.9% 0.048 254.2)
#2D588A 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) | #425B8C | 0.026 |
| Deuteranopia (no green cones) | #355289 | 0.018 |
| Tritanopia (no blue cones) | #00646A | 0.077 |
| Achromatopsia (no color) | #565656 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D588A
#2D588A
oklch(45.4% 0.095 253.6)
- #764D03
#764D03
oklch(45.5% 0.095 73.5)
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 #2D588A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.008
- Dusk Blue #26538D ΔE 0.019
- Denim Blue #3B5B92 ΔE 0.022
- Deep Sea Blue #015482 ΔE 0.033
- Light Navy #155084 ΔE 0.034
- Denim #3B638C ΔE 0.038
- YInMn Blue #415A77 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.041
Use #2D588A 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.