#005D91
Closest named color: Light Navy Blue (#2E5A88). oklch(46% 0.112 243.3), rgb(0, 93, 145).
Aa
White text reads best on this color (7.05:1).
About this color
#005D91 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.112 and its hue 243°. 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 7.05:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #005D91 |
| RGB | rgb(0, 93, 145) |
| HSL | hsl(202, 100%, 28%) |
| OKLCH | oklch(46% 0.112 243.3) |
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 #005D91 | 7.05:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #005D91 | 2.97:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #005D91 text on white | 7.05:1 | AAA | Lc 83.9 | Fine for body text |
| #005D91 text on black | 2.97:1 | Fails | Lc -18.1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A3C5E1
oklch(80.8% 0.054 243.3)
-
Step 400
400
#70A7D3
oklch(70.7% 0.087 243.6)
-
Step 500
500
#4790C7
oklch(63% 0.111 243.7)
-
Step 600
600
#227AB4
oklch(55.7% 0.12 243.1)
-
Step 700
700 (this color)
#005D91
oklch(46% 0.112 243.3)
-
Step 800
800
#14537D
oklch(42.5% 0.093 243.4)
-
Step 900
900
#194565
oklch(37.6% 0.073 243.7)
-
Step 950
950
#10293B
oklch(27.1% 0.046 242.4)
#005D91 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) | #445F93 | 0.049 |
| Deuteranopia (no green cones) | #305390 | 0.036 |
| Tritanopia (no blue cones) | #006A70 | 0.076 |
| Achromatopsia (no color) | #585858 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005D91
#005D91
oklch(46% 0.112 243.3)
- #804900
#804900
oklch(46.1% 0.105 63.5)
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 #005D91, 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
- Peacock Blue #016795 ΔE 0.030
- Dusk Blue #26538D ΔE 0.031
- Deep Sea Blue #015482 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.037
- Light Navy #155084 ΔE 0.040
- Denim #3B638C ΔE 0.044
- Dusky Blue #475F94 ΔE 0.053
Use #005D91 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.