#319787
Closest named color: Blue Green (#0F9B8E). oklch(61.4% 0.096 180.5), rgb(49, 151, 135).
Aa
Black text reads best on this color (5.90:1).
About this color
#319787 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.096 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.015 away. Black text reads best on it, at 5.90:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #319787 |
| RGB | rgb(49, 151, 135) |
| HSL | hsl(171, 51%, 39%) |
| OKLCH | oklch(61.4% 0.096 180.5) |
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 #319787 | 3.55:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #319787 | 5.90:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #319787 text on white | 3.55:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #319787 text on black | 5.90:1 | AA | Lc -38.9 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFDA
oklch(88.5% 0.025 181.2)
-
Step 300
300
#A0CBC2
oklch(80.9% 0.047 180.9)
-
Step 400
400
#69B0A3
oklch(70.7% 0.075 181)
-
Step 500
500 (this color)
#319787
oklch(61.4% 0.096 180.5)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#0E4C43
oklch(37.6% 0.062 180.7)
-
Step 950
950
#0C2D27
oklch(27.1% 0.04 179.1)
#319787 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) | #908E86 | 0.101 |
| Deuteranopia (no green cones) | #828388 | 0.097 |
| Tritanopia (no blue cones) | #009A92 | 0.019 |
| Achromatopsia (no color) | #888888 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #319787
#319787
oklch(61.4% 0.096 180.5)
- #B36B81
#B36B81
oklch(61.3% 0.095 0.6)
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 #319787, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.015
- Persian Green #2A9D8F ΔE 0.018
- Sea #3C9992 ΔE 0.019
- Dusty Teal #4C9085 ΔE 0.026
- Teal Green #0A9396 ΔE 0.032
- Ocean Green #3D9973 ΔE 0.032
- Grey Teal #5E9B8A ΔE 0.040
- Dark Cyan #008B8B ΔE 0.045
Use #319787 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.