#39757A
Closest named color: Deep Aqua (#08787F). oklch(52.4% 0.063 202.6), rgb(57, 117, 122).
Aa
White text reads best on this color (5.25:1).
About this color
#39757A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.063 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.025 away. White text reads best on it, at 5.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #39757A |
| RGB | rgb(57, 117, 122) |
| HSL | hsl(185, 36%, 35%) |
| OKLCH | oklch(52.4% 0.063 202.6) |
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 #39757A | 5.25:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #39757A | 3.99:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #39757A text on white | 5.25:1 | AA | Lc 75.9 | Fine for body text |
| #39757A text on black | 3.99:1 | AA large text | Lc -25.8 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CEDCDE
oklch(88.4% 0.015 207.1)
-
Step 300
300
#ACC6C8
oklch(80.8% 0.028 202.3)
-
Step 400
400
#80A9AD
oklch(70.6% 0.045 203.7)
-
Step 500
500
#5E9499
oklch(63.1% 0.058 203.3)
-
Step 600
600 (this color)
#39757A
oklch(52.4% 0.063 202.6)
-
Step 700
700
#346B6F
oklch(49.2% 0.058 201.7)
-
Step 800
800
#2C575B
oklch(42.8% 0.048 203.4)
-
Step 900
900
#28484A
oklch(37.8% 0.038 200.8)
-
Step 950
950
#182A2B
oklch(27% 0.024 200.3)
#39757A 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) | #6D717A | 0.062 |
| Deuteranopia (no green cones) | #63697A | 0.058 |
| Tritanopia (no blue cones) | #0A7976 | 0.029 |
| Achromatopsia (no color) | #6C6C6C | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39757A
#39757A
oklch(52.4% 0.063 202.6)
- #8B5C59
#8B5C59
oklch(52.5% 0.062 23.4)
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 #39757A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.025
- Bluegreen #017A79 ΔE 0.029
- Deep Turquoise #017374 ΔE 0.032
- Dark Aquamarine #017371 ΔE 0.035
- Teal #008080 ΔE 0.037
- Ocean #017B92 ΔE 0.041
- Metallic Blue #4F738E ΔE 0.043
- Sea Blue #047495 ΔE 0.049
Use #39757A 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.