#3A667A
Closest named color: Slate (#516572). oklch(48.7% 0.058 229), rgb(58, 102, 122).
Aa
White text reads best on this color (6.24:1).
About this color
#3A667A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.058 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.028 away. White text reads best on it, at 6.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #3A667A |
| RGB | rgb(58, 102, 122) |
| HSL | hsl(199, 36%, 35%) |
| OKLCH | oklch(48.7% 0.058 229) |
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 #3A667A | 6.24:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #3A667A | 3.36:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #3A667A text on white | 6.24:1 | AA | Lc 81.0 | Fine for body text |
| #3A667A text on black | 3.36:1 | AA large text | Lc -20.8 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AFC5CF
oklch(81% 0.028 226.9)
-
Step 400
400
#84A7B7
oklch(70.8% 0.045 227.5)
-
Step 500
500
#6491A6
oklch(63.2% 0.058 228.8)
-
Step 600
600
#4A7B91
oklch(55.7% 0.063 228.5)
-
Step 700
700 (this color)
#3A667A
oklch(48.7% 0.058 229)
-
Step 800
800
#315464
oklch(42.6% 0.048 228.9)
-
Step 900
900
#2C4652
oklch(37.8% 0.038 228.7)
-
Step 950
950
#1A2930
oklch(27.1% 0.024 228.7)
#3A667A 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) | #5C647B | 0.043 |
| Deuteranopia (no green cones) | #535D7A | 0.039 |
| Tritanopia (no blue cones) | #166C6C | 0.043 |
| Achromatopsia (no color) | #606060 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A667A
#3A667A
oklch(48.7% 0.058 229)
- #7B5642
#7B5642
oklch(48.8% 0.058 49.3)
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 #3A667A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.028
- Denim #3B638C ΔE 0.034
- YInMn Blue #415A77 ΔE 0.036
- Dark Aqua #05696B ΔE 0.045
- Peacock Blue #016795 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.051
- Dusty Grape #545775 ΔE 0.051
- Deep Turquoise #017374 ΔE 0.051
Use #3A667A 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.