#005A7C
Closest named color: Deep Sea Blue (#015482). oklch(44% 0.091 232.9), rgb(0, 90, 124).
Aa
White text reads best on this color (7.62:1).
About this color
#005A7C is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.091 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.023 away. White text reads best on it, at 7.62:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #005A7C |
| RGB | rgb(0, 90, 124) |
| HSL | hsl(196, 100%, 24%) |
| OKLCH | oklch(44% 0.091 232.9) |
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 #005A7C | 7.62:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #005A7C | 2.75:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #005A7C text on white | 7.62:1 | AAA | Lc 86.0 | Fine for body text |
| #005A7C text on black | 2.75:1 | Fails | Lc -16.1 | 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 800.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DE
oklch(80.9% 0.054 233.5)
-
Step 400
400
#68AACD
oklch(70.7% 0.085 232.9)
-
Step 500
500
#3794C0
oklch(63.1% 0.108 232.9)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800 (this color)
#005A7C
oklch(44% 0.091 232.9)
-
Step 900
900
#0E4761
oklch(37.6% 0.071 233.7)
-
Step 950
950
#0B2A39
oklch(27% 0.045 233.1)
#005A7C 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) | #49597E | 0.058 |
| Deuteranopia (no green cones) | #3A4F7B | 0.048 |
| Tritanopia (no blue cones) | #006366 | 0.053 |
| Achromatopsia (no color) | #545454 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005A7C
#005A7C
oklch(44% 0.091 232.9)
- #79421C
#79421C
oklch(43.9% 0.092 52.4)
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 #005A7C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.034
- Light Navy #155084 ΔE 0.036
- Petrol #005F6A ΔE 0.038
- Dusk Blue #26538D ΔE 0.043
- YInMn Blue #415A77 ΔE 0.047
- Peacock Blue #016795 ΔE 0.052
- Denim #3B638C ΔE 0.056
Use #005A7C 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.