#37869C
Closest named color: Teal Blue (#01889F). oklch(58.1% 0.083 219.3), rgb(55, 134, 156).
Aa
Black text reads best on this color (5.05:1).
About this color
#37869C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.083 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.020 away. Black text reads best on it, at 5.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #37869C |
| RGB | rgb(55, 134, 156) |
| HSL | hsl(193, 48%, 41%) |
| OKLCH | oklch(58.1% 0.083 219.3) |
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 #37869C | 4.15:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #37869C | 5.05:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #37869C text on white | 4.15:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #37869C text on black | 5.05:1 | AA | Lc -33.3 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE3
oklch(88.6% 0.021 219.7)
-
Step 300
300
#A7C7D1
oklch(80.9% 0.037 218.7)
-
Step 400
400
#76AABA
oklch(70.7% 0.06 219)
-
Step 500
500
#4F95A9
oklch(63.2% 0.076 218.7)
-
Step 600
600 (this color)
#37869C
oklch(58.1% 0.083 219.3)
-
Step 700
700
#206B7F
oklch(49.2% 0.077 219.5)
-
Step 800
800
#1D5767
oklch(42.7% 0.064 219.6)
-
Step 900
900
#1F4854
oklch(37.8% 0.05 219.7)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#37869C 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) | #78829D | 0.070 |
| Deuteranopia (no green cones) | #6A789C | 0.063 |
| Tritanopia (no blue cones) | #008D8D | 0.042 |
| Achromatopsia (no color) | #7C7C7C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37869C
#37869C
oklch(58.1% 0.083 219.3)
- #A56955
#A56955
oklch(58.1% 0.083 39.2)
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 #37869C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.020
- Cerulean #457B9D ΔE 0.034
- Blue NCS #118AB2 ΔE 0.034
- Stormy Blue #507B9C ΔE 0.037
- Dark Cyan #008B8B ΔE 0.042
- Off Blue #5684AE ΔE 0.043
- Dusty Blue #5A86AD ΔE 0.044
- Teal Green #0A9396 ΔE 0.045
Use #37869C 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.