#398773
Closest named color: Dark Cyan (#008B8B). oklch(56.9% 0.083 173.8), rgb(57, 135, 115).
Aa
Black text reads best on this color (4.88:1).
About this color
#398773 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.083 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.037 away. Black text reads best on it, at 4.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #398773 |
| RGB | rgb(57, 135, 115) |
| HSL | hsl(165, 41%, 38%) |
| OKLCH | oklch(56.9% 0.083 173.8) |
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 #398773 | 4.29:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #398773 | 4.88:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #398773 text on white | 4.29:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #398773 text on black | 4.88:1 | AA | Lc -32.2 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#A9C9BF
oklch(80.9% 0.037 174.5)
-
Step 400
400
#79AD9D
oklch(70.6% 0.06 173.4)
-
Step 500
500
#549986
oklch(63.2% 0.076 173.9)
-
Step 600
600 (this color)
#398773
oklch(56.9% 0.083 173.8)
-
Step 700
700
#266F5D
oklch(49.1% 0.078 173.6)
-
Step 800
800
#225A4C
oklch(42.6% 0.063 174)
-
Step 900
900
#224A3F
oklch(37.6% 0.05 173.4)
-
Step 950
950
#152C25
oklch(27.2% 0.032 172.2)
#398773 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) | #837F72 | 0.087 |
| Deuteranopia (no green cones) | #777674 | 0.083 |
| Tritanopia (no blue cones) | #078881 | 0.027 |
| Achromatopsia (no color) | #7A7A7A | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398773
#398773
oklch(56.9% 0.083 173.8)
- #9D627B
#9D627B
oklch(56.8% 0.083 353.1)
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 #398773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.040
- Teal #008080 ΔE 0.042
- Viridian #1E9167 ΔE 0.043
- Dark Sage #598556 ΔE 0.045
- Sea Green #2E8B57 ΔE 0.048
- Slate Green #658D6D ΔE 0.050
- Teal Green #0A9396 ΔE 0.053
Use #398773 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.