#033135
Closest named color: Oxford Blue (#1B263B). oklch(28.6% 0.047 203.9), rgb(3, 49, 53).
Aa
White text reads best on this color (14.05:1).
About this color
#033135 is a dark, muted teal or cyan. In OKLCH its lightness is 29%, its chroma 0.047 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.047 away. White text reads best on it, at 14.05:1.
| Hue family | Teals and cyans |
| Lightness | dark (29%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.49:1 |
| White text | 14.05:1 |
Values
| HEX | #033135 |
| RGB | rgb(3, 49, 53) |
| HSL | hsl(185, 89%, 11%) |
| OKLCH | oklch(28.6% 0.047 203.9) |
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 #033135 | 14.05:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #033135 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #033135 text on white | 14.05:1 | AAA | Lc 100.4 | Preferred for body text |
| #033135 text on black | 1.49:1 | 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
#DEEDEF
oklch(93.6% 0.016 206.4)
-
Step 200
200
#C3E0E2
oklch(88.6% 0.031 201.7)
-
Step 300
300
#97CCD1
oklch(81% 0.055 203.4)
-
Step 400
400
#54B1BA
oklch(70.8% 0.089 203.9)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950 (this color)
#033135
oklch(28.6% 0.047 203.9)
#033135 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) | #2C2E35 | 0.047 |
| Deuteranopia (no green cones) | #252935 | 0.043 |
| Tritanopia (no blue cones) | #003432 | 0.014 |
| Achromatopsia (no color) | #2C2C2C | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033135
#033135
oklch(28.6% 0.047 203.9)
- #3F211F
#3F211F
oklch(28.7% 0.047 24.4)
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 #033135, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.047
- Dark #1B2431 ΔE 0.047
- Jet #212529 ΔE 0.047
- Midnight Green #073B4C ΔE 0.049
- Gunmetal #293241 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.059
- Pakistan Green #283618 ΔE 0.066
Use #033135 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.