#066F93
Closest named color: Ocean Blue (#03719C). oklch(50.8% 0.099 229.9), rgb(6, 111, 147).
Aa
White text reads best on this color (5.67:1).
About this color
#066F93 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, 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 0.014 away. White text reads best on it, at 5.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.70:1 |
| White text | 5.67:1 |
Values
| HEX | #066F93 |
| RGB | rgb(6, 111, 147) |
| HSL | hsl(195, 92%, 30%) |
| OKLCH | oklch(50.8% 0.099 229.9) |
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 #066F93 | 5.67:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #066F93 | 3.70:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #066F93 text on white | 5.67:1 | AA | Lc 77.8 | Fine for body text |
| #066F93 text on black | 3.70:1 | AA large text | Lc -23.9 | 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
#6CAAC8
oklch(70.7% 0.078 230.2)
-
Step 500
500
#3F94B9
oklch(63% 0.098 229.9)
-
Step 600
600
#107EA6
oklch(55.6% 0.107 230.2)
-
Step 700
700 (this color)
#066F93
oklch(50.8% 0.099 229.9)
-
Step 800
800
#075773
oklch(42.8% 0.082 229.3)
-
Step 900
900
#14485D
oklch(37.8% 0.064 229.2)
-
Step 950
950
#0E2A36
oklch(27% 0.04 229.1)
#066F93 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) | #5C6D95 | 0.068 |
| Deuteranopia (no green cones) | #4B6292 | 0.057 |
| Tritanopia (no blue cones) | #00797B | 0.057 |
| Achromatopsia (no color) | #676767 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066F93
#066F93
oklch(50.8% 0.099 229.9)
- #92532C
#92532C
oklch(50.8% 0.099 50.6)
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 #066F93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.014
- Sea Blue #047495 ΔE 0.015
- Peacock Blue #016795 ΔE 0.026
- Ocean #017B92 ΔE 0.037
- Muted Blue #3B719F ΔE 0.038
- Denim #3B638C ΔE 0.041
- Deep Aqua #08787F ΔE 0.049
- Flat Blue #3C73A8 ΔE 0.049
Use #066F93 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.