#37889A
Closest named color: Teal Blue (#01889F). oklch(58.5% 0.082 214.9), rgb(55, 136, 154).
Aa
Black text reads best on this color (5.15:1).
About this color
#37889A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.082 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.021 away. Black text reads best on it, at 5.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #37889A |
| RGB | rgb(55, 136, 154) |
| HSL | hsl(191, 47%, 41%) |
| OKLCH | oklch(58.5% 0.082 214.9) |
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 #37889A | 4.07:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #37889A | 5.15:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #37889A text on white | 4.07:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #37889A text on black | 5.15:1 | AA | Lc -33.9 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7D0
oklch(80.9% 0.037 216.6)
-
Step 400
400
#75AAB8
oklch(70.6% 0.059 216.1)
-
Step 500
500
#4E95A6
oklch(63% 0.076 215.3)
-
Step 600
600 (this color)
#37889A
oklch(58.5% 0.082 214.9)
-
Step 700
700
#1E6B7C
oklch(49% 0.077 215.9)
-
Step 800
800
#1C5865
oklch(42.8% 0.064 215)
-
Step 900
900
#1E4852
oklch(37.6% 0.049 215.6)
-
Step 950
950
#132A30
oklch(26.9% 0.031 216.7)
#37889A 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) | #7B849B | 0.073 |
| Deuteranopia (no green cones) | #6D799A | 0.067 |
| Tritanopia (no blue cones) | #008F8E | 0.038 |
| Achromatopsia (no color) | #7E7E7E | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37889A
#37889A
oklch(58.5% 0.082 214.9)
- #A66A5A
#A66A5A
oklch(58.5% 0.081 35.7)
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 #37889A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.021
- Dark Cyan #008B8B ΔE 0.036
- Blue NCS #118AB2 ΔE 0.038
- Teal Green #0A9396 ΔE 0.038
- Cerulean #457B9D ΔE 0.041
- Stormy Blue #507B9C ΔE 0.043
- Dusty Blue #5A86AD ΔE 0.047
- Off Blue #5684AE ΔE 0.047
Use #37889A 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.