#31907A
Closest named color: Dusty Teal (#4C9085). oklch(59.2% 0.095 174.5), rgb(49, 144, 122).
Aa
Black text reads best on this color (5.40:1).
About this color
#31907A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.095 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.029 away. Black text reads best on it, at 5.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #31907A |
| RGB | rgb(49, 144, 122) |
| HSL | hsl(166, 49%, 38%) |
| OKLCH | oklch(59.2% 0.095 174.5) |
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 #31907A | 3.88:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #31907A | 5.40:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #31907A text on white | 3.88:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #31907A text on black | 5.40:1 | AA | Lc -35.6 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADFD8
oklch(88.6% 0.024 173.8)
-
Step 300
300
#A5CABF
oklch(80.9% 0.042 175.2)
-
Step 400
400
#72AF9E
oklch(70.7% 0.068 174.8)
-
Step 500
500
#489B86
oklch(63.2% 0.088 174.5)
-
Step 600
600 (this color)
#31907A
oklch(59.2% 0.095 174.5)
-
Step 700
700
#12715D
oklch(49.2% 0.089 174)
-
Step 800
800
#155C4C
oklch(42.8% 0.073 174)
-
Step 900
900
#1A4B40
oklch(37.6% 0.056 175.8)
-
Step 950
950
#112C25
oklch(26.9% 0.036 174.4)
#31907A 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) | #8B8779 | 0.099 |
| Deuteranopia (no green cones) | #7E7D7C | 0.095 |
| Tritanopia (no blue cones) | #009289 | 0.024 |
| Achromatopsia (no color) | #818181 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31907A
#31907A
oklch(59.2% 0.095 174.5)
- #AA6581
#AA6581
oklch(59.2% 0.095 354.6)
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 #31907A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.029
- Viridian #1E9167 ΔE 0.032
- Ocean Green #3D9973 ΔE 0.034
- Blue Green #0F9B8E ΔE 0.036
- Dark Cyan #008B8B ΔE 0.037
- Teal Green #0A9396 ΔE 0.041
- Sea #3C9992 ΔE 0.041
- Persian Green #2A9D8F ΔE 0.042
Use #31907A 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.