#066290
Closest named color: Peacock Blue (#016795). oklch(47.3% 0.105 239.5), rgb(6, 98, 144).
Aa
White text reads best on this color (6.65:1).
About this color
#066290 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.105 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.015 away. White text reads best on it, at 6.65:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #066290 |
| RGB | rgb(6, 98, 144) |
| HSL | hsl(200, 92%, 29%) |
| OKLCH | oklch(47.3% 0.105 239.5) |
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 #066290 | 6.65:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #066290 | 3.15:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #066290 text on white | 6.65:1 | AA | Lc 82.3 | Fine for body text |
| #066290 text on black | 3.15:1 | AA large text | Lc -19.6 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF3
oklch(93.5% 0.015 241.8)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A3C6DF
oklch(80.9% 0.052 239.4)
-
Step 400
400
#70A8CE
oklch(70.7% 0.081 239.1)
-
Step 500
500
#4691C2
oklch(63% 0.105 240)
-
Step 600
600
#227BAE
oklch(55.6% 0.113 239.4)
-
Step 700
700 (this color)
#066290
oklch(47.3% 0.105 239.5)
-
Step 800
800
#145479
oklch(42.6% 0.087 239.7)
-
Step 900
900
#194662
oklch(37.7% 0.068 239.6)
-
Step 950
950
#102939
oklch(26.9% 0.043 239.2)
#066290 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) | #4C6392 | 0.055 |
| Deuteranopia (no green cones) | #3A578F | 0.043 |
| Tritanopia (no blue cones) | #006E72 | 0.070 |
| Achromatopsia (no color) | #5C5C5C | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066290
#066290
oklch(47.3% 0.105 239.5)
- #864B0D
#864B0D
oklch(47.4% 0.105 59.7)
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 #066290, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.015
- Light Navy Blue #2E5A88 ΔE 0.029
- Denim #3B638C ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.038
- Dusk Blue #26538D ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.045
- Ocean Blue #03719C ΔE 0.046
- Dusky Blue #475F94 ΔE 0.049
Use #066290 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.