#408098
Closest named color: Cerulean (#457B9D). oklch(56.7% 0.075 225), rgb(64, 128, 152).
Aa
Black text reads best on this color (4.75:1).
About this color
#408098 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.075 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.019 away. Black text reads best on it, at 4.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #408098 |
| RGB | rgb(64, 128, 152) |
| HSL | hsl(196, 41%, 42%) |
| OKLCH | oklch(56.7% 0.075 225) |
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 #408098 | 4.41:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #408098 | 4.75:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #408098 text on white | 4.41:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #408098 text on black | 4.75:1 | AA | Lc -31.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#AAC6D1
oklch(80.9% 0.034 223.5)
-
Step 400
400
#7CA8BA
oklch(70.6% 0.054 225.1)
-
Step 500
500
#5993A9
oklch(63.2% 0.069 224.3)
-
Step 600
600 (this color)
#408098
oklch(56.7% 0.075 225)
-
Step 700
700
#2E697F
oklch(49.1% 0.07 225.5)
-
Step 800
800
#275667
oklch(42.8% 0.058 224.4)
-
Step 900
900
#254754
oklch(37.8% 0.045 224.9)
-
Step 950
950
#162931
oklch(26.8% 0.029 226.7)
#408098 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) | #737D99 | 0.059 |
| Deuteranopia (no green cones) | #667498 | 0.052 |
| Tritanopia (no blue cones) | #008788 | 0.048 |
| Achromatopsia (no color) | #787878 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #408098
#408098
oklch(56.7% 0.075 225)
- #9C6851
#9C6851
oklch(56.7% 0.075 44.6)
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 #408098, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.019
- Stormy Blue #507B9C ΔE 0.023
- Teal Blue #01889F ΔE 0.032
- Dull Blue #49759C ΔE 0.035
- Metallic Blue #4F738E ΔE 0.038
- Ocean #017B92 ΔE 0.038
- Grey Blue #647D8E ΔE 0.039
- Off Blue #5684AE ΔE 0.043
Use #408098 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.