#03363C
Closest named color: Midnight Green (#073B4C). oklch(30.5% 0.051 207.3), rgb(3, 54, 60).
Aa
White text reads best on this color (13.15:1).
About this color
#03363C is a dark, muted teal or cyan. In OKLCH its lightness is 31%, its chroma 0.051 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.031 away. White text reads best on it, at 13.15:1.
| Hue family | Teals and cyans |
| Lightness | dark (31%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #03363C |
| RGB | rgb(3, 54, 60) |
| HSL | hsl(186, 90%, 12%) |
| OKLCH | oklch(30.5% 0.051 207.3) |
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 #03363C | 13.15:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #03363C | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #03363C text on white | 13.15:1 | AAA | Lc 99.1 | Preferred for body text |
| #03363C text on black | 1.59:1 | 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 950.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DDEDF0
oklch(93.5% 0.017 210.2)
-
Step 200
200
#C1E0E4
oklch(88.5% 0.033 206.1)
-
Step 300
300
#93CCD4
oklch(80.9% 0.06 206.9)
-
Step 400
400
#4BB1BF
oklch(70.6% 0.096 207.6)
-
Step 500
500
#009BAB
oklch(63% 0.108 207.7)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950 (this color)
#03363C
oklch(30.5% 0.051 207.3)
#03363C 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) | #30333C | 0.049 |
| Deuteranopia (no green cones) | #292E3C | 0.045 |
| Tritanopia (no blue cones) | #003938 | 0.015 |
| Achromatopsia (no color) | #303030 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03363C
#03363C
oklch(30.5% 0.051 207.3)
- #452521
#452521
oklch(30.5% 0.05 27.9)
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 #03363C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.031
- Gunmetal #293241 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.057
- Onyx #343A40 ΔE 0.058
- Dark #1B2431 ΔE 0.061
Use #03363C 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.