#31827B
Closest named color: Teal (#008080). oklch(55.5% 0.079 187.3), rgb(49, 130, 123).
Aa
Black text reads best on this color (4.60:1).
About this color
#31827B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.079 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.022 away. Black text reads best on it, at 4.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #31827B |
| RGB | rgb(49, 130, 123) |
| HSL | hsl(175, 45%, 35%) |
| OKLCH | oklch(55.5% 0.079 187.3) |
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 #31827B | 4.55:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #31827B | 4.60:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #31827B text on white | 4.55:1 | AA | Lc 71.4 | Content text, not long reading |
| #31827B text on black | 4.60:1 | AA | Lc -30.3 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A8C8C4
oklch(80.8% 0.035 187.3)
-
Step 400
400
#77ACA7
oklch(70.6% 0.056 188.6)
-
Step 500
500
#519891
oklch(63.1% 0.073 187.2)
-
Step 600
600 (this color)
#31827B
oklch(55.5% 0.079 187.3)
-
Step 700
700
#236E68
oklch(49.1% 0.073 187.5)
-
Step 800
800
#1F5A55
oklch(42.8% 0.061 187.4)
-
Step 900
900
#204A46
oklch(37.8% 0.047 187.1)
-
Step 950
950
#142B29
oklch(26.9% 0.029 188.3)
#31827B 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) | #7B7B7B | 0.083 |
| Deuteranopia (no green cones) | #6F727C | 0.079 |
| Tritanopia (no blue cones) | #008580 | 0.018 |
| Achromatopsia (no color) | #767676 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31827B
#31827B
oklch(55.5% 0.079 187.3)
- #9B5F6B
#9B5F6B
oklch(55.5% 0.08 7)
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 #31827B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.022
- Dark Cyan #008B8B ΔE 0.031
- Bluegreen #017A79 ΔE 0.034
- Deep Aqua #08787F ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.051
- Ocean #017B92 ΔE 0.051
- Teal Blue #01889F ΔE 0.054
- Deep Turquoise #017374 ΔE 0.054
Use #31827B 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.