#315E6A
Closest named color: Petrol (#005F6A). oklch(45.5% 0.053 217.2), rgb(49, 94, 106).
Aa
White text reads best on this color (7.14:1).
About this color
#315E6A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.053 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.027 away. White text reads best on it, at 7.14:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.93:1 |
| White text | 7.14:1 |
Values
| HEX | #315E6A |
| RGB | rgb(49, 94, 106) |
| HSL | hsl(193, 37%, 30%) |
| OKLCH | oklch(45.5% 0.053 217.2) |
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 #315E6A | 7.14:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #315E6A | 2.93:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #315E6A text on white | 7.14:1 | AAA | Lc 84.7 | Fine for body text |
| #315E6A text on black | 2.93:1 | Fails | Lc -17.3 | 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
#ABC6CE
oklch(80.9% 0.031 217.5)
-
Step 400
400
#7EA9B5
oklch(70.8% 0.049 216.8)
-
Step 500
500
#5B93A3
oklch(63.1% 0.064 218)
-
Step 600
600
#3F7D8E
oklch(55.5% 0.069 218)
-
Step 700
700
#306A79
oklch(49.2% 0.065 217.2)
-
Step 800
800 (this color)
#315E6A
oklch(45.5% 0.053 217.2)
-
Step 900
900
#264750
oklch(37.7% 0.042 217.4)
-
Step 950
950
#172A2F
oklch(27.1% 0.026 216.3)
#315E6A 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) | #565C6B | 0.047 |
| Deuteranopia (no green cones) | #4D556A | 0.042 |
| Tritanopia (no blue cones) | #0D6262 | 0.032 |
| Achromatopsia (no color) | #585858 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315E6A
#315E6A
oklch(45.5% 0.053 217.2)
- #714C41
#714C41
oklch(45.5% 0.054 37.3)
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 #315E6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.027
- YInMn Blue #415A77 ΔE 0.034
- Dark Aqua #05696B ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.043
- Slate #516572 ΔE 0.048
- Deep Teal #00555A ΔE 0.051
- Dusty Grape #545775 ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.055
Use #315E6A 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.