#7583CC
Closest named color: Faded Blue (#658CBB). oklch(63% 0.111 274.5), rgb(117, 131, 204).
Aa
Black text reads best on this color (5.87:1).
About this color
#7583CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.111 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.045 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #7583CC |
| RGB | rgb(117, 131, 204) |
| HSL | hsl(230, 46%, 63%) |
| OKLCH | oklch(63% 0.111 274.5) |
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 #7583CC | 3.57:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #7583CC | 5.87:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #7583CC text on white | 3.57:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #7583CC text on black | 5.87:1 | AA | Lc -38.4 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B6BFE4
oklch(81% 0.053 274.4)
-
Step 400
400
#909DD7
oklch(70.8% 0.086 274.3)
-
Step 500
500 (this color)
#7583CC
oklch(63% 0.111 274.5)
-
Step 600
600
#5F6CB9
oklch(55.6% 0.12 274.6)
-
Step 700
700
#4E5AA0
oklch(49.2% 0.112 274.2)
-
Step 800
800
#404A81
oklch(42.8% 0.092 274.1)
-
Step 900
900
#363E68
oklch(37.7% 0.073 274.2)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#7583CC 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) | #698BCF | 0.024 |
| Deuteranopia (no green cones) | #6284CA | 0.024 |
| Tritanopia (no blue cones) | #58929E | 0.099 |
| Achromatopsia (no color) | #878787 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7583CC
#7583CC
oklch(63% 0.111 274.5)
- #9F882D
#9F882D
oklch(63.1% 0.111 94.6)
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 #7583CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.045
- Soft Blue #6488EA ΔE 0.047
- Perrywinkle #8F8CE7 ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.061
- Cool Blue #4984B8 ΔE 0.061
- Dusty Blue #5A86AD ΔE 0.062
- Off Blue #5684AE ΔE 0.063
Use #7583CC 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.