#066A96
Closest named color: Peacock Blue (#016795). oklch(49.6% 0.106 236.4), rgb(6, 106, 150).
Aa
White text reads best on this color (5.98:1).
About this color
#066A96 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.106 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.009 away. White text reads best on it, at 5.98:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #066A96 |
| RGB | rgb(6, 106, 150) |
| HSL | hsl(198, 92%, 31%) |
| OKLCH | oklch(49.6% 0.106 236.4) |
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 #066A96 | 5.98:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #066A96 | 3.50:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #066A96 text on white | 5.98:1 | AA | Lc 79.4 | Fine for body text |
| #066A96 text on black | 3.50:1 | AA large text | Lc -22.4 | 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
#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
#4193C0
oklch(63.2% 0.104 235.8)
-
Step 600
600
#177CAD
oklch(55.6% 0.114 236.7)
-
Step 700
700 (this color)
#066A96
oklch(49.6% 0.106 236.4)
-
Step 800
800
#0C5578
oklch(42.6% 0.087 236.5)
-
Step 900
900
#164761
oklch(37.8% 0.068 236)
-
Step 950
950
#0F2939
oklch(26.9% 0.044 238.4)
#066A96 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) | #546A98 | 0.060 |
| Deuteranopia (no green cones) | #425E95 | 0.048 |
| Tritanopia (no blue cones) | #007579 | 0.066 |
| Achromatopsia (no color) | #636363 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066A96
#066A96
oklch(49.6% 0.106 236.4)
- #8F501B
#8F501B
oklch(49.7% 0.106 56.2)
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 #066A96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.009
- Ocean Blue #03719C ΔE 0.021
- Sea Blue #047495 ΔE 0.031
- Denim #3B638C ΔE 0.035
- Muted Blue #3B719F ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.051
Use #066A96 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.