#315E6C
Closest named color: Petrol (#005F6A). oklch(45.6% 0.054 220.3), rgb(49, 94, 108).
Aa
White text reads best on this color (7.12:1).
About this color
#315E6C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.054 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.028 away. White text reads best on it, at 7.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #315E6C |
| RGB | rgb(49, 94, 108) |
| HSL | hsl(194, 38%, 31%) |
| OKLCH | oklch(45.6% 0.054 220.3) |
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 #315E6C | 7.12:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #315E6C | 2.94:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #315E6C text on white | 7.12:1 | AAA | Lc 84.6 | Fine for body text |
| #315E6C text on black | 2.94:1 | Fails | Lc -17.4 | 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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#ABC6CF
oklch(80.9% 0.032 219.9)
-
Step 400
400
#7DA9B7
oklch(70.8% 0.051 219.5)
-
Step 500
500
#5B93A5
oklch(63.1% 0.065 220.4)
-
Step 600
600
#3E7D90
oklch(55.6% 0.071 220)
-
Step 700
700
#30697B
oklch(49% 0.066 221.4)
-
Step 800
800 (this color)
#315E6C
oklch(45.6% 0.054 220.3)
-
Step 900
900
#264751
oklch(37.7% 0.042 219.5)
-
Step 950
950
#172A30
oklch(27.1% 0.027 220)
#315E6C 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) | #555C6D | 0.045 |
| Deuteranopia (no green cones) | #4D556C | 0.042 |
| Tritanopia (no blue cones) | #0A6362 | 0.036 |
| Achromatopsia (no color) | #585858 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315E6C
#315E6C
oklch(45.6% 0.054 220.3)
- #714D40
#714D40
oklch(45.6% 0.053 40.7)
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 #315E6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.028
- YInMn Blue #415A77 ΔE 0.031
- Dark Aqua #05696B ΔE 0.040
- Dark Green Blue #1F6357 ΔE 0.046
- Slate #516572 ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.052
- Dusty Grape #545775 ΔE 0.053
- Deep Teal #00555A ΔE 0.053
Use #315E6C 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.