#315463
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.6% 0.048 227.3), rgb(49, 84, 99).
Aa
White text reads best on this color (8.14:1).
About this color
#315463 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.048 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.034 away. White text reads best on it, at 8.14:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.57:1 |
| White text | 8.14:1 |
Values
| HEX | #315463 |
| RGB | rgb(49, 84, 99) |
| HSL | hsl(198, 34%, 29%) |
| OKLCH | oklch(42.6% 0.048 227.3) |
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 #315463 | 8.14:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #315463 | 2.57:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #315463 text on white | 8.14:1 | AAA | Lc 88.1 | Fine for body text |
| #315463 text on black | 2.57:1 | Fails | Lc -14.1 | Not readable |
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
#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
#84A7B6
oklch(70.8% 0.044 225.9)
-
Step 500
500
#6491A4
oklch(63.1% 0.057 226.2)
-
Step 600
600
#4A7B90
oklch(55.7% 0.062 227.3)
-
Step 700
700
#3B677A
oklch(49% 0.057 227.7)
-
Step 800
800 (this color)
#315463
oklch(42.6% 0.048 227.3)
-
Step 900
900
#2C4651
oklch(37.8% 0.037 226.5)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#315463 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) | #4C5364 | 0.036 |
| Deuteranopia (no green cones) | #454D63 | 0.032 |
| Tritanopia (no blue cones) | #195859 | 0.032 |
| Achromatopsia (no color) | #4F4F4F | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315463
#315463
oklch(42.6% 0.048 227.3)
- #654738
#654738
oklch(42.7% 0.048 47.6)
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 #315463, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.034
- Deep Teal #00555A ΔE 0.038
- Petrol #005F6A ΔE 0.040
- YInMn Blue #415A77 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.046
- Charcoal #264653 ΔE 0.051
- Dark Teal #014D4E ΔE 0.056
- Deep Sea Blue #015482 ΔE 0.058
Use #315463 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.