#066E92
Closest named color: Ocean Blue (#03719C). oklch(50.4% 0.099 230.1), rgb(6, 110, 146).
Aa
White text reads best on this color (5.74:1).
About this color
#066E92 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.099 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.017 away. White text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #066E92 |
| RGB | rgb(6, 110, 146) |
| HSL | hsl(195, 92%, 30%) |
| OKLCH | oklch(50.4% 0.099 230.1) |
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 #066E92 | 5.74:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #066E92 | 3.65:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #066E92 text on white | 5.74:1 | AA | Lc 78.2 | Fine for body text |
| #066E92 text on black | 3.65:1 | AA large text | Lc -23.5 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A2C7DA
oklch(80.9% 0.048 230.4)
-
Step 400
400
#6DAAC8
oklch(70.8% 0.077 230.6)
-
Step 500
500
#4094B9
oklch(63.1% 0.098 230.1)
-
Step 600
600
#127EA5
oklch(55.6% 0.106 229.7)
-
Step 700
700 (this color)
#066E92
oklch(50.4% 0.099 230.1)
-
Step 800
800
#095773
oklch(42.8% 0.082 229.6)
-
Step 900
900
#15485D
oklch(37.8% 0.064 229.5)
-
Step 950
950
#0E2A36
oklch(27% 0.04 229.1)
#066E92 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) | #5B6C94 | 0.067 |
| Deuteranopia (no green cones) | #4A6191 | 0.056 |
| Tritanopia (no blue cones) | #00787A | 0.057 |
| Achromatopsia (no color) | #666666 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066E92
#066E92
oklch(50.4% 0.099 230.1)
- #91522C
#91522C
oklch(50.5% 0.099 50)
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 #066E92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.017
- Sea Blue #047495 ΔE 0.018
- Peacock Blue #016795 ΔE 0.023
- Muted Blue #3B719F ΔE 0.039
- Denim #3B638C ΔE 0.040
- Ocean #017B92 ΔE 0.040
- Deep Aqua #08787F ΔE 0.050
- Flat Blue #3C73A8 ΔE 0.051
Use #066E92 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.