#214E4F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.3% 0.049 197.3), rgb(33, 78, 79).
Aa
White text reads best on this color (9.26:1).
About this color
#214E4F is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.049 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.015 away. White text reads best on it, at 9.26:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #214E4F |
| RGB | rgb(33, 78, 79) |
| HSL | hsl(181, 41%, 22%) |
| OKLCH | oklch(39.3% 0.049 197.3) |
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 #214E4F | 9.26:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #214E4F | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #214E4F text on white | 9.26:1 | AAA | Lc 91.2 | Preferred for body text |
| #214E4F text on black | 2.26:1 | Fails | Lc -11.1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A6C8C9
oklch(80.8% 0.036 198.7)
-
Step 400
400
#74ACAD
oklch(70.6% 0.059 197.3)
-
Step 500
500
#4B9899
oklch(63.2% 0.076 196.5)
-
Step 600
600
#288284
oklch(55.6% 0.082 197.2)
-
Step 700
700
#196E70
oklch(49.2% 0.076 197.4)
-
Step 800
800
#195A5B
oklch(42.8% 0.063 196.5)
-
Step 900
900 (this color)
#214E4F
oklch(39.3% 0.049 197.3)
-
Step 950
950
#122B2C
oklch(27% 0.031 198.9)
#214E4F 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) | #494A4F | 0.051 |
| Deuteranopia (no green cones) | #41454F | 0.047 |
| Tritanopia (no blue cones) | #00514E | 0.020 |
| Achromatopsia (no color) | #474747 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #214E4F
#214E4F
oklch(39.3% 0.049 197.3)
- #5E3B3C
#5E3B3C
oklch(39.4% 0.05 17.7)
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 #214E4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.015
- Dark Teal #014D4E ΔE 0.019
- Dark Blue Green #005249 ΔE 0.026
- Deep Teal #00555A ΔE 0.026
- Charcoal #264653 ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.048
- Petrol #005F6A ΔE 0.059
Use #214E4F 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.