#216057
Closest named color: Dark Green Blue (#1F6357). oklch(44.6% 0.065 182.2), rgb(33, 96, 87).
Aa
White text reads best on this color (7.30:1).
About this color
#216057 is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.065 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.010 away. White text reads best on it, at 7.30:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #216057 |
| RGB | rgb(33, 96, 87) |
| HSL | hsl(171, 49%, 25%) |
| OKLCH | oklch(44.6% 0.065 182.2) |
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 #216057 | 7.30:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #216057 | 2.87:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #216057 text on white | 7.30:1 | AAA | Lc 85.1 | Fine for body text |
| #216057 text on black | 2.87:1 | Fails | Lc -16.9 | Dividers and decoration only |
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 800.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A6C9C2
oklch(80.8% 0.039 181.8)
-
Step 400
400
#75ADA3
oklch(70.6% 0.061 182.1)
-
Step 500
500
#4D998D
oklch(63.1% 0.078 182.2)
-
Step 600
600
#2B8377
oklch(55.5% 0.084 182.4)
-
Step 700
700
#1B6F64
oklch(49% 0.079 182.2)
-
Step 800
800 (this color)
#216057
oklch(44.6% 0.065 182.2)
-
Step 900
900
#1D4A44
oklch(37.6% 0.051 183.6)
-
Step 950
950
#122C28
oklch(27.1% 0.033 182.6)
#216057 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) | #5C5A57 | 0.071 |
| Deuteranopia (no green cones) | #525358 | 0.067 |
| Tritanopia (no blue cones) | #00625D | 0.015 |
| Achromatopsia (no color) | #565656 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216057
#216057
oklch(44.6% 0.065 182.2)
- #724451
#724451
oklch(44.5% 0.066 1.8)
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 #216057, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.010
- Petrol #005F6A ΔE 0.034
- Dark Aqua #05696B ΔE 0.035
- Deep Teal #00555A ΔE 0.044
- Pine #2B5D34 ΔE 0.051
- Spruce #0A5F38 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Blue Green #005249 ΔE 0.053
Use #216057 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.