#399889
Closest named color: Sea (#3C9992). oklch(62% 0.092 180.9), rgb(57, 152, 137).
Aa
Black text reads best on this color (6.02:1).
About this color
#399889 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.092 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.014 away. Black text reads best on it, at 6.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.02:1 |
| White text | 3.48:1 |
Values
| HEX | #399889 |
| RGB | rgb(57, 152, 137) |
| HSL | hsl(171, 45%, 41%) |
| OKLCH | oklch(62% 0.092 180.9) |
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 #399889 | 3.48:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #399889 | 6.02:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #399889 text on white | 3.48:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #399889 text on black | 6.02:1 | AA | Lc -39.6 | 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 500.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFDA
oklch(88.5% 0.025 181.2)
-
Step 300
300
#A2CBC2
oklch(81% 0.045 180.2)
-
Step 400
400
#6CB0A3
oklch(70.8% 0.072 180.6)
-
Step 500
500 (this color)
#399889
oklch(62% 0.092 180.9)
-
Step 600
600
#048676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#015C51
oklch(42.6% 0.076 181)
-
Step 900
900
#124C43
oklch(37.7% 0.06 180.3)
-
Step 950
950
#0D2C27
oklch(26.8% 0.038 181.1)
#399889 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) | #928F88 | 0.098 |
| Deuteranopia (no green cones) | #83858A | 0.092 |
| Tritanopia (no blue cones) | #009B93 | 0.021 |
| Achromatopsia (no color) | #898989 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399889
#399889
oklch(62% 0.092 180.9)
- #B46E83
#B46E83
oklch(62% 0.092 0.8)
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 #399889, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.014
- Persian Green #2A9D8F ΔE 0.015
- Blue Green #0F9B8E ΔE 0.017
- Dusty Teal #4C9085 ΔE 0.025
- Ocean Green #3D9973 ΔE 0.034
- Grey Teal #5E9B8A ΔE 0.034
- Teal Green #0A9396 ΔE 0.034
- Dull Teal #5F9E8F ΔE 0.040
Use #399889 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.