#214F59
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40% 0.053 214.1), rgb(33, 79, 89).
Aa
White text reads best on this color (9.02:1).
About this color
#214F59 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.053 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.021 away. White text reads best on it, at 9.02:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #214F59 |
| RGB | rgb(33, 79, 89) |
| HSL | hsl(191, 46%, 24%) |
| OKLCH | oklch(40% 0.053 214.1) |
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 #214F59 | 9.02:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #214F59 | 2.32:1 | Fails | Lc 13.4 | Not readable |
| #214F59 text on white | 9.02:1 | AAA | Lc 90.6 | Preferred for body text |
| #214F59 text on black | 2.32:1 | Fails | Lc -11.7 | Not readable |
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 900.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A5C8D0
oklch(81% 0.039 213.1)
-
Step 400
400
#72ABB9
oklch(70.7% 0.063 214.9)
-
Step 500
500
#4896A7
oklch(63.1% 0.08 213.9)
-
Step 600
600
#238093
oklch(55.6% 0.088 214.7)
-
Step 700
700
#126C7D
oklch(49% 0.082 214.5)
-
Step 800
800
#155865
oklch(42.6% 0.067 213.8)
-
Step 900
900 (this color)
#214F59
oklch(40% 0.053 214.1)
-
Step 950
950
#112B30
oklch(27.1% 0.033 211.7)
#214F59 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) | #484C5A | 0.049 |
| Deuteranopia (no green cones) | #3F4659 | 0.043 |
| Tritanopia (no blue cones) | #005352 | 0.027 |
| Achromatopsia (no color) | #494949 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #214F59
#214F59
oklch(40% 0.053 214.1)
- #613D35
#613D35
oklch(40% 0.053 33.1)
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 #214F59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.021
- Deep Teal #00555A ΔE 0.023
- Charcoal #264653 ΔE 0.028
- Dark Teal #014D4E ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.031
- Dark Blue Green #005249 ΔE 0.038
- Petrol #005F6A ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.054
Use #214F59 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.