#315F6F
Closest named color: YInMn Blue (#415A77). oklch(46% 0.057 222.9), rgb(49, 95, 111).
Aa
White text reads best on this color (7.00:1).
About this color
#315F6F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.057 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.029 away. White text reads best on it, at 7.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #315F6F |
| RGB | rgb(49, 95, 111) |
| HSL | hsl(195, 39%, 31%) |
| OKLCH | oklch(46% 0.057 222.9) |
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 #315F6F | 7.00:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #315F6F | 2.99:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #315F6F text on white | 7.00:1 | AAA | Lc 84.1 | Fine for body text |
| #315F6F text on black | 2.99:1 | Fails | Lc -17.8 | 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
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CFDCE0
oklch(88.6% 0.015 218.1)
-
Step 300
300
#AEC5CE
oklch(80.9% 0.028 223.3)
-
Step 400
400
#83A7B5
oklch(70.7% 0.044 223.6)
-
Step 500
500
#6391A2
oklch(63% 0.056 223.1)
-
Step 600
600
#497B8D
oklch(55.5% 0.061 223.1)
-
Step 700
700 (this color)
#315F6F
oklch(46% 0.057 222.9)
-
Step 800
800
#305562
oklch(42.7% 0.047 222.6)
-
Step 900
900
#2B4650
oklch(37.7% 0.037 223.4)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#315F6F 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) | #565D70 | 0.046 |
| Deuteranopia (no green cones) | #4D566F | 0.041 |
| Tritanopia (no blue cones) | #046464 | 0.038 |
| Achromatopsia (no color) | #595959 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315F6F
#315F6F
oklch(46% 0.057 222.9)
- #734E3E
#734E3E
oklch(46% 0.056 44.2)
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 #315F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.029
- Petrol #005F6A ΔE 0.030
- Dark Aqua #05696B ΔE 0.040
- Slate #516572 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.048
- Denim #3B638C ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.049
- Dusty Grape #545775 ΔE 0.051
Use #315F6F 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.