#397880
Closest named color: Deep Aqua (#08787F). oklch(53.4% 0.066 206.4), rgb(57, 120, 128).
Aa
White text reads best on this color (5.03:1).
About this color
#397880 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.066 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.026 away. White text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #397880 |
| RGB | rgb(57, 120, 128) |
| HSL | hsl(187, 38%, 36%) |
| OKLCH | oklch(53.4% 0.066 206.4) |
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 #397880 | 5.03:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #397880 | 4.17:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #397880 text on white | 5.03:1 | AA | Lc 74.6 | Content text, not long reading |
| #397880 text on black | 4.17:1 | AA large text | Lc -27.1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4ECED
oklch(93.7% 0.009 205.9)
-
Step 200
200
#CDDCDE
oklch(88.4% 0.016 206.4)
-
Step 300
300
#ACC6CA
oklch(80.8% 0.029 207.8)
-
Step 400
400
#7EA9AF
oklch(70.6% 0.047 206.8)
-
Step 500
500
#5C949C
oklch(63.1% 0.06 207.3)
-
Step 600
600 (this color)
#397880
oklch(53.4% 0.066 206.4)
-
Step 700
700
#316B72
oklch(49.2% 0.061 205.9)
-
Step 800
800
#2A575D
oklch(42.7% 0.05 206.8)
-
Step 900
900
#27484C
oklch(37.8% 0.039 205.6)
-
Step 950
950
#172A2C
oklch(27% 0.025 204.3)
#397880 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) | #6F7481 | 0.064 |
| Deuteranopia (no green cones) | #646B80 | 0.060 |
| Tritanopia (no blue cones) | #007D7A | 0.033 |
| Achromatopsia (no color) | #6F6F6F | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397880
#397880
oklch(53.4% 0.066 206.4)
- #8F5E59
#8F5E59
oklch(53.4% 0.065 25.9)
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 #397880, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.026
- Bluegreen #017A79 ΔE 0.031
- Teal #008080 ΔE 0.033
- Ocean #017B92 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.038
- Deep Turquoise #017374 ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.042
- Sea Blue #047495 ΔE 0.046
Use #397880 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.