#005A82
Closest named color: Deep Sea Blue (#015482). oklch(44.3% 0.097 237.2), rgb(0, 90, 130).
Aa
White text reads best on this color (7.54:1).
About this color
#005A82 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.097 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.019 away. White text reads best on it, at 7.54:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #005A82 |
| RGB | rgb(0, 90, 130) |
| HSL | hsl(198, 100%, 25%) |
| OKLCH | oklch(44.3% 0.097 237.2) |
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 #005A82 | 7.54:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #005A82 | 2.78:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #005A82 text on white | 7.54:1 | AAA | Lc 85.6 | Fine for body text |
| #005A82 text on black | 2.78:1 | Fails | Lc -16.4 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DDEC
oklch(88.6% 0.031 237.6)
-
Step 300
300
#9FC7E1
oklch(81% 0.056 236.9)
-
Step 400
400
#67A9D2
oklch(70.7% 0.09 237.2)
-
Step 500
500
#3593C7
oklch(63.1% 0.116 237.3)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800 (this color)
#005A82
oklch(44.3% 0.097 237.2)
-
Step 900
900
#0D4765
oklch(37.8% 0.076 237.3)
-
Step 950
950
#0B2A3B
oklch(27.1% 0.048 236.5)
#005A82 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) | #465A84 | 0.053 |
| Deuteranopia (no green cones) | #365081 | 0.042 |
| Tritanopia (no blue cones) | #006468 | 0.061 |
| Achromatopsia (no color) | #545454 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005A82
#005A82
oklch(44.3% 0.097 237.2)
- #7B4311
#7B4311
oklch(44.3% 0.098 56.7)
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 #005A82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.019
- Light Navy Blue #2E5A88 ΔE 0.028
- Light Navy #155084 ΔE 0.031
- Dusk Blue #26538D ΔE 0.035
- Peacock Blue #016795 ΔE 0.046
- Petrol #005F6A ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.050
Use #005A82 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.