#408090
Closest named color: Cerulean (#457B9D). oklch(56.4% 0.07 216.2), rgb(64, 128, 144).
Aa
Black text reads best on this color (4.70:1).
About this color
#408090 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.070 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.029 away. Black text reads best on it, at 4.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #408090 |
| RGB | rgb(64, 128, 144) |
| HSL | hsl(192, 38%, 41%) |
| OKLCH | oklch(56.4% 0.07 216.2) |
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 #408090 | 4.46:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #408090 | 4.70:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #408090 text on white | 4.46:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #408090 text on black | 4.70:1 | AA | Lc -30.9 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ABC6CE
oklch(80.9% 0.031 217.5)
-
Step 400
400
#7DA9B5
oklch(70.7% 0.05 216.4)
-
Step 500
500
#5A94A2
oklch(63.2% 0.064 214.9)
-
Step 600
600 (this color)
#408090
oklch(56.4% 0.07 216.2)
-
Step 700
700
#2F6A78
oklch(49.1% 0.065 215.6)
-
Step 800
800
#285662
oklch(42.6% 0.054 217.1)
-
Step 900
900
#264750
oklch(37.7% 0.042 217.4)
-
Step 950
950
#172A2F
oklch(27.1% 0.026 216.3)
#408090 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) | #757C91 | 0.062 |
| Deuteranopia (no green cones) | #697390 | 0.057 |
| Tritanopia (no blue cones) | #008685 | 0.041 |
| Achromatopsia (no color) | #777777 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #408090
#408090
oklch(56.4% 0.07 216.2)
- #9A6759
#9A6759
oklch(56.4% 0.07 36)
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 #408090, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.029
- Stormy Blue #507B9C ΔE 0.032
- Teal Blue #01889F ΔE 0.035
- Ocean #017B92 ΔE 0.037
- Grey Blue #647D8E ΔE 0.039
- Metallic Blue #4F738E ΔE 0.039
- Teal #008080 ΔE 0.043
- Dull Blue #49759C ΔE 0.043
Use #408090 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.