#215F68
Closest named color: Petrol (#005F6A). oklch(45% 0.064 208.5), rgb(33, 95, 104).
Aa
White text reads best on this color (7.23:1).
About this color
#215F68 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.064 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.014 away. White text reads best on it, at 7.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #215F68 |
| RGB | rgb(33, 95, 104) |
| HSL | hsl(188, 52%, 27%) |
| OKLCH | oklch(45% 0.064 208.5) |
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 #215F68 | 7.23:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #215F68 | 2.90:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #215F68 text on white | 7.23:1 | AAA | Lc 84.9 | Fine for body text |
| #215F68 text on black | 2.90:1 | Fails | Lc -17.1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE0
oklch(88.4% 0.021 208.1)
-
Step 300
300
#A6C8CD
oklch(81% 0.037 207.3)
-
Step 400
400
#74ABB4
oklch(70.6% 0.059 208.8)
-
Step 500
500
#4B96A2
oklch(63% 0.076 209.1)
-
Step 600
600
#29818D
oklch(55.7% 0.083 208.1)
-
Step 700
700
#196D78
oklch(49.2% 0.077 208.2)
-
Step 800
800 (this color)
#215F68
oklch(45% 0.064 208.5)
-
Step 900
900
#1C4950
oklch(37.7% 0.05 209.1)
-
Step 950
950
#122B2F
oklch(27.1% 0.032 209)
#215F68 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) | #575B69 | 0.062 |
| Deuteranopia (no green cones) | #4C5468 | 0.055 |
| Tritanopia (no blue cones) | #006362 | 0.023 |
| Achromatopsia (no color) | #575757 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215F68
#215F68
oklch(45% 0.064 208.5)
- #754741
#754741
oklch(45% 0.065 27.9)
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 #215F68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.014
- Dark Aqua #05696B ΔE 0.031
- Dark Green Blue #1F6357 ΔE 0.035
- Deep Teal #00555A ΔE 0.042
- YInMn Blue #415A77 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.055
- Slate #516572 ΔE 0.059
- Deep Turquoise #017374 ΔE 0.060
Use #215F68 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.