#397D82
Closest named color: Teal (#008080). oklch(54.8% 0.069 201.8), rgb(57, 125, 130).
Aa
White text reads best on this color (4.74:1).
About this color
#397D82 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.069 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.026 away. White text reads best on it, at 4.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #397D82 |
| RGB | rgb(57, 125, 130) |
| HSL | hsl(184, 39%, 37%) |
| OKLCH | oklch(54.8% 0.069 201.8) |
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 #397D82 | 4.74:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #397D82 | 4.42:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #397D82 text on white | 4.74:1 | AA | Lc 72.7 | Content text, not long reading |
| #397D82 text on black | 4.42:1 | AA large text | Lc -29.0 | Dividers and decoration only |
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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CDDDDE
oklch(88.6% 0.017 201.4)
-
Step 300
300
#AAC7C9
oklch(80.9% 0.031 201.7)
-
Step 400
400
#7CAAAE
oklch(70.7% 0.049 202.8)
-
Step 500
500
#59959A
oklch(63.1% 0.063 202.5)
-
Step 600
600 (this color)
#397D82
oklch(54.8% 0.069 201.8)
-
Step 700
700
#2D6C70
oklch(49.2% 0.064 201)
-
Step 800
800
#27585B
oklch(42.8% 0.053 200.7)
-
Step 900
900
#25484B
oklch(37.7% 0.041 202.8)
-
Step 950
950
#162A2C
oklch(26.9% 0.026 203.9)
#397D82 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) | #757882 | 0.070 |
| Deuteranopia (no green cones) | #696F82 | 0.065 |
| Tritanopia (no blue cones) | #00817E | 0.029 |
| Achromatopsia (no color) | #737373 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397D82
#397D82
oklch(54.8% 0.069 201.8)
- #95615F
#95615F
oklch(54.8% 0.068 21.9)
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 #397D82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.026
- Deep Aqua #08787F ΔE 0.032
- Bluegreen #017A79 ΔE 0.033
- Ocean #017B92 ΔE 0.036
- Dark Cyan #008B8B ΔE 0.042
- Metallic Blue #4F738E ΔE 0.045
- Cerulean #457B9D ΔE 0.048
- Teal Blue #01889F ΔE 0.048
Use #397D82 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.