#005CA0
Closest named color: Dusk Blue (#26538D). oklch(46.7% 0.132 249.9), rgb(0, 92, 160).
Aa
White text reads best on this color (6.91:1).
About this color
#005CA0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.132 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.038 away. White text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #005CA0 |
| RGB | rgb(0, 92, 160) |
| HSL | hsl(206, 100%, 31%) |
| OKLCH | oklch(46.7% 0.132 249.9) |
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 #005CA0 | 6.91:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #005CA0 | 3.03:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #005CA0 text on white | 6.91:1 | AA | Lc 83.2 | Fine for body text |
| #005CA0 text on black | 3.03:1 | AA large text | Lc -18.7 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A2C4E9
oklch(80.8% 0.064 250.8)
-
Step 400
400
#6EA5DE
oklch(70.7% 0.102 250.3)
-
Step 500
500
#448ED5
oklch(63.2% 0.13 249.8)
-
Step 600
600
#1F76C2
oklch(55.5% 0.142 250)
-
Step 700
700 (this color)
#005CA0
oklch(46.7% 0.132 249.9)
-
Step 800
800
#125188
oklch(42.7% 0.11 250.1)
-
Step 900
900
#18446D
oklch(37.8% 0.085 249.8)
-
Step 950
950
#0F2840
oklch(27% 0.055 249.7)
#005CA0 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) | #3961A3 | 0.040 |
| Deuteranopia (no green cones) | #1D549F | 0.023 |
| Tritanopia (no blue cones) | #006D76 | 0.096 |
| Achromatopsia (no color) | #5A5A5A | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005CA0
#005CA0
oklch(46.7% 0.132 249.9)
- #7E4E00
#7E4E00
oklch(46.8% 0.102 69.5)
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 #005CA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.038
- Peacock Blue #016795 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.052
- Light Navy #155084 ΔE 0.052
- Mid Blue #276AB3 ΔE 0.053
- Dusky Blue #475F94 ΔE 0.056
Use #005CA0 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.