#3F6876
Closest named color: Slate (#516572). oklch(49.3% 0.051 221.8), rgb(63, 104, 118).
Aa
White text reads best on this color (6.08:1).
About this color
#3F6876 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.051 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.022 away. White text reads best on it, at 6.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.45:1 |
| White text | 6.08:1 |
Values
| HEX | #3F6876 |
| RGB | rgb(63, 104, 118) |
| HSL | hsl(195, 30%, 35%) |
| OKLCH | oklch(49.3% 0.051 221.8) |
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 #3F6876 | 6.08:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #3F6876 | 3.45:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #3F6876 text on white | 6.08:1 | AA | Lc 80.3 | Fine for body text |
| #3F6876 text on black | 3.45:1 | AA large text | Lc -21.5 | 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
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C5CC
oklch(81% 0.025 219.8)
-
Step 400
400
#86A7B2
oklch(70.7% 0.04 220.1)
-
Step 500
500
#67919F
oklch(63.1% 0.05 220.6)
-
Step 600
600
#4E7B8A
oklch(55.6% 0.054 221.1)
-
Step 700
700 (this color)
#3F6876
oklch(49.3% 0.051 221.8)
-
Step 800
800
#345460
oklch(42.6% 0.042 223.7)
-
Step 900
900
#2E464E
oklch(37.8% 0.033 220.7)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#3F6876 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) | #606677 | 0.043 |
| Deuteranopia (no green cones) | #575F76 | 0.039 |
| Tritanopia (no blue cones) | #266D6C | 0.034 |
| Achromatopsia (no color) | #626262 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F6876
#3F6876
oklch(49.3% 0.051 221.8)
- #7B584A
#7B584A
oklch(49.4% 0.052 42.7)
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 #3F6876, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.022
- Denim #3B638C ΔE 0.043
- Dark Aqua #05696B ΔE 0.044
- YInMn Blue #415A77 ΔE 0.044
- Deep Turquoise #017374 ΔE 0.047
- Dark Aquamarine #017371 ΔE 0.049
- Metallic Blue #4F738E ΔE 0.051
- Deep Aqua #08787F ΔE 0.052
Use #3F6876 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.