#00569C
Closest named color: Dusk Blue (#26538D). oklch(45% 0.134 251.7), rgb(0, 86, 156).
Aa
White text reads best on this color (7.47:1).
About this color
#00569C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.134 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.029 away. White text reads best on it, at 7.47:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.81:1 |
| White text | 7.47:1 |
Values
| HEX | #00569C |
| RGB | rgb(0, 86, 156) |
| HSL | hsl(207, 100%, 31%) |
| OKLCH | oklch(45% 0.134 251.7) |
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 #00569C | 7.47:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #00569C | 2.81:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #00569C text on white | 7.47:1 | AAA | Lc 85.3 | Fine for body text |
| #00569C text on black | 2.81:1 | Fails | Lc -16.7 | 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 800.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC5F2
oklch(81% 0.078 251.1)
-
Step 400
400
#63A5EC
oklch(70.8% 0.125 251.6)
-
Step 500
500
#318CE6
oklch(63.1% 0.16 251.8)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0061AF
oklch(49% 0.146 251.8)
-
Step 800
800 (this color)
#00569C
oklch(45% 0.134 251.7)
-
Step 900
900
#0A4276
oklch(37.6% 0.104 252)
-
Step 950
950
#092745
oklch(26.9% 0.066 251.7)
#00569C 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) | #305C9F | 0.035 |
| Deuteranopia (no green cones) | #0E4F9B | 0.019 |
| Tritanopia (no blue cones) | #006771 | 0.098 |
| Achromatopsia (no color) | #555555 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00569C
#00569C
oklch(45% 0.134 251.7)
- #764B00
#764B00
oklch(45.1% 0.097 71.9)
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 #00569C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.029
- Light Navy #155084 ΔE 0.040
- Cobalt #1E488F ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.047
- Peacock Blue #016795 ΔE 0.054
- Dusky Blue #475F94 ΔE 0.064
Use #00569C 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.