#31907E
Closest named color: Dusty Teal (#4C9085). oklch(59.3% 0.092 177.9), rgb(49, 144, 126).
Aa
Black text reads best on this color (5.42:1).
About this color
#31907E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.092 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.025 away. Black text reads best on it, at 5.42:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #31907E |
| RGB | rgb(49, 144, 126) |
| HSL | hsl(169, 49%, 38%) |
| OKLCH | oklch(59.3% 0.092 177.9) |
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 #31907E | 3.87:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #31907E | 5.42:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #31907E text on white | 3.87:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #31907E text on black | 5.42:1 | AA | Lc -35.8 | 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
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#CADED9
oklch(88.4% 0.022 179.1)
-
Step 300
300
#A5CAC0
oklch(80.9% 0.042 177)
-
Step 400
400
#72AFA0
oklch(70.8% 0.067 177)
-
Step 500
500
#489A89
oklch(63% 0.085 177.9)
-
Step 600
600 (this color)
#31907E
oklch(59.3% 0.092 177.9)
-
Step 700
700
#117061
oklch(49% 0.085 178.6)
-
Step 800
800
#145C4F
oklch(42.8% 0.072 177.6)
-
Step 900
900
#1A4B41
oklch(37.6% 0.055 177.4)
-
Step 950
950
#112C26
oklch(27% 0.035 177.1)
#31907E 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) | #8A877D | 0.097 |
| Deuteranopia (no green cones) | #7D7D7F | 0.093 |
| Tritanopia (no blue cones) | #00928B | 0.022 |
| Achromatopsia (no color) | #818181 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31907E
#31907E
oklch(59.3% 0.092 177.9)
- #AA667E
#AA667E
oklch(59.2% 0.092 357.6)
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 #31907E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.025
- Dark Cyan #008B8B ΔE 0.033
- Blue Green #0F9B8E ΔE 0.034
- Teal Green #0A9396 ΔE 0.035
- Sea #3C9992 ΔE 0.037
- Ocean Green #3D9973 ΔE 0.037
- Viridian #1E9167 ΔE 0.038
- Persian Green #2A9D8F ΔE 0.039
Use #31907E 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.