#33878C
Closest named color: Dark Cyan (#008B8B). oklch(57.5% 0.08 200.7), rgb(51, 135, 140).
Aa
Black text reads best on this color (4.98:1).
About this color
#33878C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.080 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.021 away. Black text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #33878C |
| RGB | rgb(51, 135, 140) |
| HSL | hsl(183, 47%, 37%) |
| OKLCH | oklch(57.5% 0.08 200.7) |
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 #33878C | 4.21:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #33878C | 4.98:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #33878C text on white | 4.21:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #33878C text on black | 4.98:1 | AA | Lc -32.8 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A7C8CA
oklch(80.9% 0.035 201)
-
Step 400
400
#75ACAF
oklch(70.7% 0.058 200.3)
-
Step 500
500
#4E979B
oklch(63.1% 0.073 200.2)
-
Step 600
600 (this color)
#33878C
oklch(57.5% 0.08 200.7)
-
Step 700
700
#1D6D72
oklch(49.1% 0.074 201.2)
-
Step 800
800
#1B595D
oklch(42.7% 0.062 201.3)
-
Step 900
900
#1E494C
oklch(37.6% 0.048 201.5)
-
Step 950
950
#132B2C
oklch(27% 0.03 199.1)
#33878C 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) | #7D818C | 0.081 |
| Deuteranopia (no green cones) | #70778C | 0.075 |
| Tritanopia (no blue cones) | #008C88 | 0.025 |
| Achromatopsia (no color) | #7B7B7B | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33878C
#33878C
oklch(57.5% 0.08 200.7)
- #A36565
#A36565
oklch(57.5% 0.08 19.8)
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 #33878C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.021
- Teal Blue #01889F ΔE 0.032
- Teal Green #0A9396 ΔE 0.035
- Teal #008080 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.040
- Ocean #017B92 ΔE 0.048
- Bluegreen #017A79 ΔE 0.053
- Cerulean #457B9D ΔE 0.053
Use #33878C 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.