#75A3CB
Closest named color: Greyblue (#77A1B5). oklch(69.8% 0.077 245.5), rgb(117, 163, 203).
Aa
Black text reads best on this color (7.85:1).
About this color
#75A3CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.077 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.032 away. Black text reads best on it, at 7.85:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.85:1 |
| White text | 2.67:1 |
Values
| HEX | #75A3CB |
| RGB | rgb(117, 163, 203) |
| HSL | hsl(208, 45%, 63%) |
| OKLCH | oklch(69.8% 0.077 245.5) |
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 #75A3CB | 2.67:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #75A3CB | 7.85:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #75A3CB text on white | 2.67:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #75A3CB text on black | 7.85:1 | AAA | Lc -50.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CBDBEA
oklch(88.4% 0.027 246.4)
-
Step 300
300
#A8C4DE
oklch(80.8% 0.048 246.4)
-
Step 400
400 (this color)
#75A3CB
oklch(69.8% 0.077 245.5)
-
Step 500
500
#538FC1
oklch(63% 0.098 245.4)
-
Step 600
600
#3679AE
oklch(55.7% 0.107 245.4)
-
Step 700
700
#276595
oklch(49% 0.1 245.4)
-
Step 800
800
#225379
oklch(42.7% 0.082 245)
-
Step 900
900
#224562
oklch(37.8% 0.064 245.6)
-
Step 950
950
#142839
oklch(26.9% 0.041 245.8)
#75A3CB 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) | #93A3CD | 0.037 |
| Deuteranopia (no green cones) | #889ACA | 0.031 |
| Tritanopia (no blue cones) | #54ACB0 | 0.064 |
| Achromatopsia (no color) | #9E9E9E | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75A3CB
#75A3CB
oklch(69.8% 0.077 245.5)
- #BF946A
#BF946A
oklch(69.7% 0.077 65.3)
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 #75A3CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.040
- Bluey Grey #89A0B0 ΔE 0.043
- Cool Gray #8D99AE ΔE 0.049
- Cool Steel #97A7B3 ΔE 0.057
- Cool Grey #95A3A6 ΔE 0.064
- Silver Lake Blue #778DA9 ΔE 0.068
- Faded Blue #658CBB ΔE 0.069
Use #75A3CB 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.