#08488E
Closest named color: Cobalt (#1E488F). oklch(40.8% 0.13 255.6), rgb(8, 72, 142).
Aa
White text reads best on this color (9.02:1).
About this color
#08488E is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.130 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.013 away. White text reads best on it, at 9.02:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #08488E |
| RGB | rgb(8, 72, 142) |
| HSL | hsl(211, 89%, 29%) |
| OKLCH | oklch(40.8% 0.13 255.6) |
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 #08488E | 9.02:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #08488E | 2.32:1 | Fails | Lc 13.8 | Not readable |
| #08488E text on white | 9.02:1 | AAA | Lc 90.1 | Preferred for body text |
| #08488E text on black | 2.32:1 | Fails | Lc -12.1 | Not readable |
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 800.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF5
oklch(88.5% 0.042 255)
-
Step 300
300
#A0C3F2
oklch(80.8% 0.077 255.9)
-
Step 400
400
#6BA3EB
oklch(70.7% 0.122 255.2)
-
Step 500
500
#418AE5
oklch(63.1% 0.155 255.4)
-
Step 600
600
#1D71D3
oklch(55.5% 0.17 255.7)
-
Step 700
700
#0D5EB7
oklch(49% 0.158 255.7)
-
Step 800
800 (this color)
#08488E
oklch(40.8% 0.13 255.6)
-
Step 900
900
#164176
oklch(37.6% 0.102 255.6)
-
Step 950
950
#0F2745
oklch(27.1% 0.064 255.3)
#08488E 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) | #1E4F91 | 0.026 |
| Deuteranopia (no green cones) | #00448D | 0.013 |
| Tritanopia (no blue cones) | #005964 | 0.097 |
| Achromatopsia (no color) | #494949 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #08488E
#08488E
oklch(40.8% 0.13 255.6)
- #644200
#644200
oklch(40.8% 0.086 75.8)
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 #08488E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.013
- Light Navy #155084 ΔE 0.032
- Twilight Blue #0A437A ΔE 0.035
- Dusk Blue #26538D ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.043
- Sapphire #2138AB ΔE 0.063
- Blueberry #464196 ΔE 0.064
- Light Navy Blue #2E5A88 ΔE 0.065
Use #08488E 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.