#71819B
Closest named color: Slate Gray (#708090). oklch(60% 0.044 260.1), rgb(113, 129, 155).
Aa
Black text reads best on this color (5.31:1).
About this color
#71819B is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.044 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.017 away. Black text reads best on it, at 5.31:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.31:1 |
| White text | 3.95:1 |
Values
| HEX | #71819B |
| RGB | rgb(113, 129, 155) |
| HSL | hsl(217, 17%, 53%) |
| OKLCH | oklch(60% 0.044 260.1) |
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 #71819B | 3.95:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #71819B | 5.31:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #71819B text on white | 3.95:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #71819B text on black | 5.31:1 | AA | Lc -34.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#B9C1CF
oklch(80.9% 0.022 261.8)
-
Step 400
400
#94A1B7
oklch(70.6% 0.035 261)
-
Step 500
500 (this color)
#71819B
oklch(60% 0.044 260.1)
-
Step 600
600
#637490
oklch(55.6% 0.048 260.3)
-
Step 700
700
#52617A
oklch(49% 0.044 260.5)
-
Step 800
800
#435064
oklch(42.8% 0.037 258.9)
-
Step 900
900
#394251
oklch(37.7% 0.028 260.6)
-
Step 950
950
#212730
oklch(27.1% 0.019 258.4)
#71819B 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) | #78829C | 0.011 |
| Deuteranopia (no green cones) | #747E9A | 0.009 |
| Tritanopia (no blue cones) | #66868A | 0.038 |
| Achromatopsia (no color) | #808080 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #71819B
#71819B
oklch(60% 0.044 260.1)
- #8E7E62
#8E7E62
oklch(60% 0.045 81.5)
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 #71819B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.017
- Steel #738595 ΔE 0.017
- Lavender Gray #7E7F9A ΔE 0.018
- Light Slate Gray #778899 ΔE 0.024
- Steel Grey #6F828A ΔE 0.028
- Grey Blue #647D8E ΔE 0.029
- Blue Grey #758DA3 ΔE 0.034
- Battleship Grey #6B7C85 ΔE 0.035
Use #71819B 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.