#31929F
Closest named color: Teal Green (#0A9396). oklch(61% 0.09 207.8), rgb(49, 146, 159).
Aa
Black text reads best on this color (5.74:1).
About this color
#31929F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.090 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.022 away. Black text reads best on it, at 5.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #31929F |
| RGB | rgb(49, 146, 159) |
| HSL | hsl(187, 53%, 41%) |
| OKLCH | oklch(61% 0.09 207.8) |
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 #31929F | 3.65:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #31929F | 5.74:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #31929F text on white | 3.65:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #31929F text on black | 5.74:1 | AA | Lc -37.8 | 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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE1
oklch(88.5% 0.024 206.6)
-
Step 300
300
#A0C9CF
oklch(80.8% 0.044 207.3)
-
Step 400
400
#6AADB7
oklch(70.7% 0.07 207.8)
-
Step 500
500 (this color)
#31929F
oklch(61% 0.09 207.8)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#0F4A52
oklch(37.7% 0.059 208.5)
-
Step 950
950
#0C2B30
oklch(26.9% 0.037 209.8)
#31929F 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) | #858CA0 | 0.086 |
| Deuteranopia (no green cones) | #76819F | 0.079 |
| Tritanopia (no blue cones) | #009996 | 0.032 |
| Achromatopsia (no color) | #868686 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31929F
#31929F
oklch(61% 0.09 207.8)
- #B36E65
#B36E65
oklch(61.1% 0.09 28)
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 #31929F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.022
- Sea #3C9992 ΔE 0.034
- Teal Blue #01889F ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.040
- Dark Cyan #008B8B ΔE 0.041
- Blue Green #0F9B8E ΔE 0.045
- Blue NCS #118AB2 ΔE 0.045
- Persian Green #2A9D8F ΔE 0.047
Use #31929F 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.