#215748
Closest named color: Dark Blue Green (#005249). oklch(41.6% 0.063 172.1), rgb(33, 87, 72).
Aa
White text reads best on this color (8.32:1).
About this color
#215748 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.063 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.026 away. White text reads best on it, at 8.32:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.52:1 |
| White text | 8.32:1 |
Values
| HEX | #215748 |
| RGB | rgb(33, 87, 72) |
| HSL | hsl(163, 45%, 24%) |
| OKLCH | oklch(41.6% 0.063 172.1) |
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 #215748 | 8.32:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #215748 | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #215748 text on white | 8.32:1 | AAA | Lc 88.5 | Fine for body text |
| #215748 text on black | 2.52:1 | Fails | Lc -13.6 | 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 800.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#AAC9BE
oklch(81% 0.037 171.9)
-
Step 400
400
#7BAD9C
oklch(70.7% 0.059 171.5)
-
Step 500
500
#569884
oklch(63% 0.075 172.2)
-
Step 600
600
#38836E
oklch(55.6% 0.082 172.2)
-
Step 700
700
#2A6F5C
oklch(49.2% 0.076 172)
-
Step 800
800 (this color)
#215748
oklch(41.6% 0.063 172.1)
-
Step 900
900
#234A3F
oklch(37.7% 0.049 173.1)
-
Step 950
950
#162B25
oklch(26.9% 0.03 173.8)
#215748 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) | #545147 | 0.065 |
| Deuteranopia (no green cones) | #4C4C49 | 0.061 |
| Tritanopia (no blue cones) | #015853 | 0.021 |
| Achromatopsia (no color) | #4E4E4E | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215748
#215748
oklch(41.6% 0.063 172.1)
- #663D4F
#663D4F
oklch(41.5% 0.063 352.3)
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 #215748, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.026
- Dark Slate Gray #2F4F4F ΔE 0.035
- Deep Teal #00555A ΔE 0.035
- Dark Green Blue #1F6357 ΔE 0.040
- Pine #2B5D34 ΔE 0.042
- Dark Teal #014D4E ΔE 0.044
- Spruce #0A5F38 ΔE 0.044
- Petrol #005F6A ΔE 0.054
Use #215748 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.