#366271
Closest named color: YInMn Blue (#415A77). oklch(47.1% 0.054 222.1), rgb(54, 98, 113).
Aa
White text reads best on this color (6.68:1).
About this color
#366271 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.054 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.031 away. White text reads best on it, at 6.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.14:1 |
| White text | 6.68:1 |
Values
| HEX | #366271 |
| RGB | rgb(54, 98, 113) |
| HSL | hsl(195, 35%, 33%) |
| OKLCH | oklch(47.1% 0.054 222.1) |
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 #366271 | 6.68:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #366271 | 3.14:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #366271 text on white | 6.68:1 | AA | Lc 82.9 | Fine for body text |
| #366271 text on black | 3.14:1 | AA large text | Lc -19.0 | 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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDBE0
oklch(88.4% 0.015 224.5)
-
Step 300
300
#AFC5CD
oklch(80.9% 0.026 221.6)
-
Step 400
400
#84A7B4
oklch(70.7% 0.043 222.5)
-
Step 500
500
#6591A1
oklch(63.1% 0.054 222.6)
-
Step 600
600
#4B7B8C
oklch(55.5% 0.058 222.6)
-
Step 700
700 (this color)
#366271
oklch(47.1% 0.054 222.1)
-
Step 800
800
#325561
oklch(42.8% 0.045 221.9)
-
Step 900
900
#2C464F
oklch(37.7% 0.035 221.7)
-
Step 950
950
#1A292E
oklch(27% 0.022 220.6)
#366271 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) | #596072 | 0.044 |
| Deuteranopia (no green cones) | #505971 | 0.040 |
| Tritanopia (no blue cones) | #156767 | 0.036 |
| Achromatopsia (no color) | #5C5C5C | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #366271
#366271
oklch(47.1% 0.054 222.1)
- #755143
#755143
oklch(47% 0.054 42.1)
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 #366271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.031
- Slate #516572 ΔE 0.035
- Petrol #005F6A ΔE 0.038
- Dark Aqua #05696B ΔE 0.038
- Denim #3B638C ΔE 0.045
- Dusty Grape #545775 ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.052
Use #366271 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.