#7583BC
Closest named color: Faded Blue (#658CBB). oklch(62.2% 0.088 273), rgb(117, 131, 188).
Aa
Black text reads best on this color (5.72:1).
About this color
#7583BC is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.088 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.030 away. Black text reads best on it, at 5.72:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.72:1 |
| White text | 3.66:1 |
Values
| HEX | #7583BC |
| RGB | rgb(117, 131, 188) |
| HSL | hsl(228, 35%, 60%) |
| OKLCH | oklch(62.2% 0.088 273) |
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 #7583BC | 3.66:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #7583BC | 5.72:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #7583BC text on white | 3.66:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #7583BC text on black | 5.72:1 | AA | Lc -37.5 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E9
oklch(88.4% 0.024 275.3)
-
Step 300
300
#B7BFDD
oklch(80.8% 0.043 273.6)
-
Step 400
400
#929ECC
oklch(70.6% 0.069 273.2)
-
Step 500
500 (this color)
#7583BC
oklch(62.2% 0.088 273)
-
Step 600
600
#616FAB
oklch(55.6% 0.095 273)
-
Step 700
700
#505D93
oklch(49.2% 0.088 272.5)
-
Step 800
800
#424C77
oklch(42.8% 0.073 273)
-
Step 900
900
#373F60
oklch(37.6% 0.058 272.9)
-
Step 950
950
#202538
oklch(26.9% 0.036 272.4)
#7583BC 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) | #7089BE | 0.017 |
| Deuteranopia (no green cones) | #6B83BB | 0.013 |
| Tritanopia (no blue cones) | #608E97 | 0.078 |
| Achromatopsia (no color) | #858585 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7583BC
#7583BC
oklch(62.2% 0.088 273)
- #998545
#998545
oklch(62.1% 0.087 92.4)
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 #7583BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.030
- Dusty Blue #5A86AD ΔE 0.043
- Off Blue #5684AE ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.046
- Lavender Gray #7E7F9A ΔE 0.051
- Cool Blue #4984B8 ΔE 0.051
- Blue Grey #758DA3 ΔE 0.054
- Steel Blue #4682B4 ΔE 0.057
Use #7583BC 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.