#0D577A
Closest named color: Deep Sea Blue (#015482). oklch(43.3% 0.088 236), rgb(13, 87, 122).
Aa
White text reads best on this color (7.89:1).
About this color
#0D577A is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.088 and its hue 236°. 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 7.89:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.66:1 |
| White text | 7.89:1 |
Values
| HEX | #0D577A |
| RGB | rgb(13, 87, 122) |
| HSL | hsl(199, 81%, 26%) |
| OKLCH | oklch(43.3% 0.088 236) |
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 #0D577A | 7.89:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #0D577A | 2.66:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #0D577A text on white | 7.89:1 | AAA | Lc 87.0 | Fine for body text |
| #0D577A text on black | 2.66:1 | Fails | Lc -15.1 | 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
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A2C6DE
oklch(80.8% 0.051 237.5)
-
Step 400
400
#6DA9CD
oklch(70.7% 0.082 235.9)
-
Step 500
500
#4093C0
oklch(63.1% 0.105 235.6)
-
Step 600
600
#147CAD
oklch(55.6% 0.115 236.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800 (this color)
#0D577A
oklch(43.3% 0.088 236)
-
Step 900
900
#154761
oklch(37.8% 0.068 235.7)
-
Step 950
950
#0E2A39
oklch(27.1% 0.044 235)
#0D577A 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) | #46577C | 0.051 |
| Deuteranopia (no green cones) | #384D79 | 0.042 |
| Tritanopia (no blue cones) | #006063 | 0.055 |
| Achromatopsia (no color) | #515151 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D577A
#0D577A
oklch(43.3% 0.088 236)
- #74421A
#74421A
oklch(43.2% 0.087 56)
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 #0D577A, 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 #155084 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.035
- Dusk Blue #26538D ΔE 0.040
- Petrol #005F6A ΔE 0.042
- YInMn Blue #415A77 ΔE 0.046
- Deep Teal #00555A ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.057
Use #0D577A 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.