#214E57
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.6% 0.051 212.6), rgb(33, 78, 87).
Aa
White text reads best on this color (9.16:1).
About this color
#214E57 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.051 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.020 away. White text reads best on it, at 9.16:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #214E57 |
| RGB | rgb(33, 78, 87) |
| HSL | hsl(190, 45%, 24%) |
| OKLCH | oklch(39.6% 0.051 212.6) |
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 #214E57 | 9.16:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #214E57 | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #214E57 text on white | 9.16:1 | AAA | Lc 90.9 | Preferred for body text |
| #214E57 text on black | 2.29:1 | Fails | Lc -11.4 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A5C8CF
oklch(81% 0.039 211.1)
-
Step 400
400
#73ABB7
oklch(70.7% 0.061 212.6)
-
Step 500
500
#4A96A6
oklch(63.1% 0.079 213.2)
-
Step 600
600
#268091
oklch(55.6% 0.085 213.1)
-
Step 700
700
#166C7B
oklch(49% 0.079 212.6)
-
Step 800
800
#175864
oklch(42.6% 0.066 212.7)
-
Step 900
900 (this color)
#214E57
oklch(39.6% 0.051 212.6)
-
Step 950
950
#112B30
oklch(27.1% 0.033 211.7)
#214E57 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) | #474B58 | 0.048 |
| Deuteranopia (no green cones) | #3F4557 | 0.044 |
| Tritanopia (no blue cones) | #005251 | 0.026 |
| Achromatopsia (no color) | #484848 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #214E57
#214E57
oklch(39.6% 0.051 212.6)
- #5F3C35
#5F3C35
oklch(39.5% 0.051 31.8)
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 #214E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.020
- Deep Teal #00555A ΔE 0.025
- Charcoal #264653 ΔE 0.025
- Dark Teal #014D4E ΔE 0.026
- Dark Grey Blue #29465B ΔE 0.030
- Dark Blue Green #005249 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.051
- Petrol #005F6A ΔE 0.054
Use #214E57 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.