#0B394F
Closest named color: Midnight Green (#073B4C). oklch(32.6% 0.061 234.5), rgb(11, 57, 79).
Aa
White text reads best on this color (12.26:1).
About this color
#0B394F is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.061 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.010 away. White text reads best on it, at 12.26:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.71:1 |
| White text | 12.26:1 |
Values
| HEX | #0B394F |
| RGB | rgb(11, 57, 79) |
| HSL | hsl(199, 76%, 18%) |
| OKLCH | oklch(32.6% 0.061 234.5) |
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 #0B394F | 12.26:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #0B394F | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #0B394F text on white | 12.26:1 | AAA | Lc 97.7 | Preferred for body text |
| #0B394F text on black | 1.71:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF2
oklch(93.7% 0.013 233.7)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A5C6DA
oklch(80.9% 0.045 234.7)
-
Step 400
400
#72A9C8
oklch(70.8% 0.073 233.9)
-
Step 500
500
#4993BA
oklch(63.2% 0.094 234)
-
Step 600
600
#267CA6
oklch(55.5% 0.102 234.6)
-
Step 700
700
#17698E
oklch(49.2% 0.094 233.8)
-
Step 800
800
#175574
oklch(42.6% 0.08 235.3)
-
Step 900
900 (this color)
#0B394F
oklch(32.6% 0.061 234.5)
-
Step 950
950
#112937
oklch(26.9% 0.04 236.4)
#0B394F 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) | #2E3950 | 0.037 |
| Deuteranopia (no green cones) | #25324F | 0.032 |
| Tritanopia (no blue cones) | #003F41 | 0.038 |
| Achromatopsia (no color) | #353535 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B394F
#0B394F
oklch(32.6% 0.061 234.5)
- #4C2B13
#4C2B13
oklch(32.6% 0.061 54.6)
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 #0B394F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.010
- Dark Blue Grey #1F3B4D ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.026
- Gunmetal #293241 ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.049
- Marine Blue #01386A ΔE 0.049
- Marine #042E60 ΔE 0.052
- Onyx #343A40 ΔE 0.052
Use #0B394F 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.