#75A3CF
Closest named color: Greyblue (#77A1B5). oklch(69.9% 0.082 248), rgb(117, 163, 207).
Aa
Black text reads best on this color (7.89:1).
About this color
#75A3CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.082 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.038 away. Black text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #75A3CF |
| RGB | rgb(117, 163, 207) |
| HSL | hsl(209, 48%, 64%) |
| OKLCH | oklch(69.9% 0.082 248) |
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 #75A3CF | 2.65:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #75A3CF | 7.89:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #75A3CF text on white | 2.65:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #75A3CF text on black | 7.89:1 | AAA | Lc -50.2 | 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
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A7C4E1
oklch(80.8% 0.052 248.5)
-
Step 400
400 (this color)
#75A3CF
oklch(69.9% 0.082 248)
-
Step 500
500
#538EC6
oklch(63% 0.105 248.6)
-
Step 600
600
#3578B2
oklch(55.7% 0.113 247.6)
-
Step 700
700
#276499
oklch(49% 0.106 248.2)
-
Step 800
800
#22527C
oklch(42.7% 0.087 247.9)
-
Step 900
900
#214464
oklch(37.6% 0.069 248.2)
-
Step 950
950
#14283B
oklch(27% 0.044 248.6)
#75A3CF 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) | #91A4D1 | 0.035 |
| Deuteranopia (no green cones) | #869BCE | 0.028 |
| Tritanopia (no blue cones) | #52ADB2 | 0.069 |
| Achromatopsia (no color) | #9F9F9F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75A3CF
#75A3CF
oklch(69.9% 0.082 248)
- #C09566
#C09566
oklch(69.9% 0.081 68.3)
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 #75A3CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.038
- Bluegrey #85A3B2 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.048
- Cool Gray #8D99AE ΔE 0.053
- Cool Steel #97A7B3 ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.069
- Cool Grey #95A3A6 ΔE 0.069
- Faded Blue #658CBB ΔE 0.070
Use #75A3CF 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.