#7583A3
Closest named color: Lavender Gray (#7E7F9A). oklch(61% 0.051 266.4), rgb(117, 131, 163).
Aa
Black text reads best on this color (5.53:1).
About this color
#7583A3 is a medium-dark, muted blue. In OKLCH its lightness is 61%, its chroma 0.051 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.018 away. Black text reads best on it, at 5.53:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #7583A3 |
| RGB | rgb(117, 131, 163) |
| HSL | hsl(222, 20%, 55%) |
| OKLCH | oklch(61% 0.051 266.4) |
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 #7583A3 | 3.79:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #7583A3 | 5.53:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #7583A3 text on white | 3.79:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #7583A3 text on black | 5.53:1 | AA | Lc -36.2 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#B9C1D1
oklch(81% 0.024 264.4)
-
Step 400
400
#95A1BB
oklch(70.8% 0.04 265.7)
-
Step 500
500 (this color)
#7583A3
oklch(61% 0.051 266.4)
-
Step 600
600
#647395
oklch(55.6% 0.056 266.1)
-
Step 700
700
#53607F
oklch(49.1% 0.053 266.8)
-
Step 800
800
#444F67
oklch(42.8% 0.042 265.5)
-
Step 900
900
#394154
oklch(37.6% 0.034 266.9)
-
Step 950
950
#222631
oklch(27% 0.021 269.3)
#7583A3 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) | #7985A4 | 0.008 |
| Deuteranopia (no green cones) | #7581A2 | 0.005 |
| Tritanopia (no blue cones) | #69898E | 0.045 |
| Achromatopsia (no color) | #838383 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7583A3
#7583A3
oklch(61% 0.051 266.4)
- #918260
#918260
oklch(61.1% 0.052 86.9)
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 #7583A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.018
- Light Slate Gray #778899 ΔE 0.024
- Steel #738595 ΔE 0.025
- Silver Lake Blue #778DA9 ΔE 0.028
- Blue Grey #758DA3 ΔE 0.029
- Slate Gray #708090 ΔE 0.030
- Dusty Blue #5A86AD ΔE 0.034
- Off Blue #5684AE ΔE 0.040
Use #7583A3 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.