#215368
Closest named color: Deep Teal (#00555A). oklch(41.8% 0.064 228.8), rgb(33, 83, 104).
Aa
White text reads best on this color (8.39:1).
About this color
#215368 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.064 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.033 away. White text reads best on it, at 8.39:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.50:1 |
| White text | 8.39:1 |
Values
| HEX | #215368 |
| RGB | rgb(33, 83, 104) |
| HSL | hsl(198, 52%, 27%) |
| OKLCH | oklch(41.8% 0.064 228.8) |
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 #215368 | 8.39:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #215368 | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #215368 text on white | 8.39:1 | AAA | Lc 88.7 | Fine for body text |
| #215368 text on black | 2.50:1 | Fails | Lc -13.5 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#A9C6D4
oklch(81% 0.037 228.5)
-
Step 400
400
#7AA8BE
oklch(70.7% 0.059 229.1)
-
Step 500
500
#5593AE
oklch(63.2% 0.076 228)
-
Step 600
600
#377C9A
oklch(55.5% 0.083 229.4)
-
Step 700
700
#296983
oklch(49.1% 0.076 228.3)
-
Step 800
800 (this color)
#215368
oklch(41.8% 0.064 228.8)
-
Step 900
900
#234757
oklch(37.8% 0.05 229)
-
Step 950
950
#152933
oklch(26.9% 0.032 231.4)
#215368 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) | #485269 | 0.045 |
| Deuteranopia (no green cones) | #3E4A68 | 0.040 |
| Tritanopia (no blue cones) | #00595A | 0.039 |
| Achromatopsia (no color) | #4D4D4D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215368
#215368
oklch(41.8% 0.064 228.8)
- #69422D
#69422D
oklch(41.9% 0.063 48.7)
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 #215368, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.033
- Petrol #005F6A ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.044
- Charcoal #264653 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.049
- Light Navy #155084 ΔE 0.051
Use #215368 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.