#03353D
Closest named color: Midnight Green (#073B4C). oklch(30.3% 0.051 211.5), rgb(3, 53, 61).
Aa
White text reads best on this color (13.28:1).
About this color
#03353D is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.051 and its hue 211°. 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 13.28:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.58:1 |
| White text | 13.28:1 |
Values
| HEX | #03353D |
| RGB | rgb(3, 53, 61) |
| HSL | hsl(188, 91%, 13%) |
| OKLCH | oklch(30.3% 0.051 211.5) |
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 #03353D | 13.28:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #03353D | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #03353D text on white | 13.28:1 | AAA | Lc 99.4 | Preferred for body text |
| #03353D text on black | 1.58:1 | 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
#C1E0E6
oklch(88.6% 0.034 210.6)
-
Step 300
300
#93CCD7
oklch(81% 0.061 210.8)
-
Step 400
400
#4CB1C3
oklch(70.8% 0.096 211.1)
-
Step 500
500
#009AAF
oklch(63% 0.11 211.6)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004A55
oklch(37.5% 0.065 211.6)
-
Step 950
950 (this color)
#03353D
oklch(30.3% 0.051 211.5)
#03353D 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) | #2F333D | 0.047 |
| Deuteranopia (no green cones) | #272D3D | 0.043 |
| Tritanopia (no blue cones) | #003837 | 0.018 |
| Achromatopsia (no color) | #303030 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03353D
#03353D
oklch(30.3% 0.051 211.5)
- #45241E
#45241E
oklch(30.3% 0.052 31.2)
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 #03353D, 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 0.041
- Dark Blue Grey #1F3B4D ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.055
- Dark #1B2431 ΔE 0.058
- Onyx #343A40 ΔE 0.059
Use #03353D 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.