#37869E
Closest named color: Teal Blue (#01889F). oklch(58.1% 0.084 221.2), rgb(55, 134, 158).
Aa
Black text reads best on this color (5.06:1).
About this color
#37869E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.084 and its hue 221°. 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 5.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #37869E |
| RGB | rgb(55, 134, 158) |
| HSL | hsl(194, 48%, 42%) |
| OKLCH | oklch(58.1% 0.084 221.2) |
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 #37869E | 4.14:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #37869E | 5.06:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #37869E text on white | 4.14:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #37869E text on black | 5.06:1 | AA | Lc -33.4 | 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
#A7C7D2
oklch(81% 0.038 220.6)
-
Step 400
400
#76AABC
oklch(70.8% 0.061 221.5)
-
Step 500
500
#4F94AB
oklch(63% 0.078 222)
-
Step 600
600 (this color)
#37869E
oklch(58.1% 0.084 221.2)
-
Step 700
700
#206B80
oklch(49.2% 0.078 220.6)
-
Step 800
800
#1D5768
oklch(42.7% 0.065 220.9)
-
Step 900
900
#1F4855
oklch(37.8% 0.051 221.4)
-
Step 950
950
#132A32
oklch(27% 0.033 222.8)
#37869E 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) | #78839F | 0.070 |
| Deuteranopia (no green cones) | #69789E | 0.062 |
| Tritanopia (no blue cones) | #008E8E | 0.045 |
| Achromatopsia (no color) | #7C7C7C | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37869E
#37869E
oklch(58.1% 0.084 221.2)
- #A56953
#A56953
oklch(58% 0.084 40.9)
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 #37869E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.020
- Blue NCS #118AB2 ΔE 0.032
- Cerulean #457B9D ΔE 0.033
- Stormy Blue #507B9C ΔE 0.036
- Off Blue #5684AE ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.042
- Steel Blue #4682B4 ΔE 0.042
- Dark Cyan #008B8B ΔE 0.044
Use #37869E 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.