#757AB5
Closest named color: Off Blue (#5684AE). oklch(59.9% 0.09 279.6), rgb(117, 122, 181).
Aa
Black text reads best on this color (5.20:1).
About this color
#757AB5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.090 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.049 away. Black text reads best on it, at 5.20:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.20:1 |
| White text | 4.03:1 |
Values
| HEX | #757AB5 |
| RGB | rgb(117, 122, 181) |
| HSL | hsl(235, 30%, 58%) |
| OKLCH | oklch(59.9% 0.09 279.6) |
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 #757AB5 | 4.03:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #757AB5 | 5.20:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #757AB5 text on white | 4.03:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #757AB5 text on black | 5.20:1 | AA | Lc -34.1 | 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
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#BABEDD
oklch(80.8% 0.044 279.6)
-
Step 400
400
#979CCC
oklch(70.6% 0.07 279.8)
-
Step 500
500 (this color)
#757AB5
oklch(59.9% 0.09 279.6)
-
Step 600
600
#686CAB
oklch(55.5% 0.097 279.9)
-
Step 700
700
#565A93
oklch(49% 0.091 279.4)
-
Step 800
800
#474A77
oklch(42.7% 0.074 279.8)
-
Step 900
900
#3B3E60
oklch(37.7% 0.058 279.3)
-
Step 950
950
#232438
oklch(26.9% 0.037 281.4)
#757AB5 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) | #6881B7 | 0.024 |
| Deuteranopia (no green cones) | #647CB4 | 0.023 |
| Tritanopia (no blue cones) | #63858F | 0.079 |
| Achromatopsia (no color) | #7E7E7E | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757AB5
#757AB5
oklch(59.9% 0.09 279.6)
- #8D813D
#8D813D
oklch(59.9% 0.09 99.5)
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 #757AB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.049
- Lavender Gray #7E7F9A ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.050
- Faded Blue #658CBB ΔE 0.050
- Cool Blue #4984B8 ΔE 0.055
- Steel Blue #4682B4 ΔE 0.057
- Faded Purple #916E99 ΔE 0.060
- Deep Lilac #966EBD ΔE 0.060
Use #757AB5 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.