#398D9C
Closest named color: Teal Green (#0A9396). oklch(59.9% 0.083 211.3), rgb(57, 141, 156).
Aa
Black text reads best on this color (5.46:1).
About this color
#398D9C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.083 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.029 away. Black text reads best on it, at 5.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.46:1 |
| White text | 3.84:1 |
Values
| HEX | #398D9C |
| RGB | rgb(57, 141, 156) |
| HSL | hsl(189, 46%, 42%) |
| OKLCH | oklch(59.9% 0.083 211.3) |
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 #398D9C | 3.84:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #398D9C | 5.46:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #398D9C text on white | 3.84:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #398D9C text on black | 5.46:1 | AA | Lc -36.0 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A3C8D0
oklch(80.9% 0.041 212.3)
-
Step 400
400
#6FACB8
oklch(70.7% 0.065 211.4)
-
Step 500
500 (this color)
#398D9C
oklch(59.9% 0.083 211.3)
-
Step 600
600
#1B8191
oklch(55.6% 0.09 211)
-
Step 700
700
#076D7C
oklch(49.1% 0.084 211.5)
-
Step 800
800
#0F5965
oklch(42.8% 0.069 211.6)
-
Step 900
900
#174952
oklch(37.6% 0.054 211.7)
-
Step 950
950
#102B30
oklch(27% 0.034 211.3)
#398D9C 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) | #81889D | 0.078 |
| Deuteranopia (no green cones) | #727D9C | 0.071 |
| Tritanopia (no blue cones) | #009392 | 0.034 |
| Achromatopsia (no color) | #828282 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398D9C
#398D9C
oklch(59.9% 0.083 211.3)
- #AC6D61
#AC6D61
oklch(59.9% 0.083 31.4)
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 #398D9C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.029
- Teal Blue #01889F ΔE 0.029
- Dark Cyan #008B8B ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.041
- Blue NCS #118AB2 ΔE 0.041
- Sea #3C9992 ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.049
- Off Blue #5684AE ΔE 0.051
Use #398D9C 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.