#37849F
Closest named color: Teal Blue (#01889F). oklch(57.7% 0.085 224.4), rgb(55, 132, 159).
Aa
Black text reads best on this color (4.96:1).
About this color
#37849F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.085 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.022 away. Black text reads best on it, at 4.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.96:1 |
| White text | 4.23:1 |
Values
| HEX | #37849F |
| RGB | rgb(55, 132, 159) |
| HSL | hsl(196, 49%, 42%) |
| OKLCH | oklch(57.7% 0.085 224.4) |
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 #37849F | 4.23:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #37849F | 4.96:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #37849F text on white | 4.23:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #37849F text on black | 4.96:1 | AA | Lc -32.7 | 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
#CBDCE4
oklch(88.4% 0.021 227.6)
-
Step 300
300
#A7C6D3
oklch(80.8% 0.038 225.1)
-
Step 400
400
#76A9BD
oklch(70.6% 0.061 224.4)
-
Step 500
500
#5094AD
oklch(63.2% 0.078 224.2)
-
Step 600
600 (this color)
#37849F
oklch(57.7% 0.085 224.4)
-
Step 700
700
#216A82
oklch(49.1% 0.079 224.1)
-
Step 800
800
#1E566A
oklch(42.6% 0.066 225.4)
-
Step 900
900
#1F4756
oklch(37.6% 0.052 225.3)
-
Step 950
950
#132A32
oklch(27% 0.033 222.8)
#37849F 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) | #7581A0 | 0.067 |
| Deuteranopia (no green cones) | #66769F | 0.059 |
| Tritanopia (no blue cones) | #008C8D | 0.048 |
| Achromatopsia (no color) | #7B7B7B | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37849F
#37849F
oklch(57.7% 0.085 224.4)
- #A4694F
#A4694F
oklch(57.8% 0.085 44.4)
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 #37849F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.022
- Cerulean #457B9D ΔE 0.027
- Stormy Blue #507B9C ΔE 0.031
- Blue NCS #118AB2 ΔE 0.031
- Steel Blue #4682B4 ΔE 0.038
- Off Blue #5684AE ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.042
- Ocean #017B92 ΔE 0.042
Use #37849F 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.