#083585
Closest named color: Twilight Blue (#0A437A). oklch(35.7% 0.142 261.2), rgb(8, 53, 133).
Aa
White text reads best on this color (11.30:1).
About this color
#083585 is a dark, vivid blue. In OKLCH its lightness is 36%, its chroma 0.142 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.045 away. White text reads best on it, at 11.30:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #083585 |
| RGB | rgb(8, 53, 133) |
| HSL | hsl(218, 89%, 28%) |
| OKLCH | oklch(35.7% 0.142 261.2) |
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 #083585 | 11.30:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #083585 | 1.85:1 | Fails | Lc 8.5 | Not readable |
| #083585 text on white | 11.30:1 | AAA | Lc 95.4 | Preferred for body text |
| #083585 text on black | 1.85:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFF
oklch(93.7% 0.03 260.7)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#699FFF
oklch(70.8% 0.152 261.1)
-
Step 500
500
#3E82FF
oklch(63% 0.199 261.3)
-
Step 600
600
#0964FA
oklch(55.6% 0.236 261.2)
-
Step 700
700
#0052D8
oklch(49.1% 0.216 261.3)
-
Step 800
800
#0344B0
oklch(42.7% 0.182 261.1)
-
Step 900
900 (this color)
#083585
oklch(35.7% 0.142 261.2)
-
Step 950
950
#0A2352
oklch(26.9% 0.092 261.5)
#083585 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) | #004088 | 0.029 |
| Deuteranopia (no green cones) | #003583 | 0.006 |
| Tritanopia (no blue cones) | #004A57 | 0.110 |
| Achromatopsia (no color) | #3A3A3A | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #083585
#083585
oklch(35.7% 0.142 261.2)
- #503700
#503700
oklch(35.6% 0.074 80.3)
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 #083585, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.045
- Marine Blue #01386A ΔE 0.048
- Cobalt #1E488F ΔE 0.059
- Royal #0C1793 ΔE 0.062
- Marine #042E60 ΔE 0.067
- Sapphire #2138AB ΔE 0.068
- Midnight Blue #191970 ΔE 0.075
- Light Navy #155084 ΔE 0.080
Use #083585 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.