#75AACE
Closest named color: Greyblue (#77A1B5). oklch(71.4% 0.077 238.9), rgb(117, 170, 206).
Aa
Black text reads best on this color (8.39:1).
About this color
#75AACE is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.077 and its hue 239°. 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 8.39:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.39:1 |
| White text | 2.50:1 |
Values
| HEX | #75AACE |
| RGB | rgb(117, 170, 206) |
| HSL | hsl(204, 48%, 63%) |
| OKLCH | oklch(71.4% 0.077 238.9) |
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 #75AACE | 2.50:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #75AACE | 8.39:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #75AACE text on white | 2.50:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #75AACE text on black | 8.39:1 | AAA | Lc -53.0 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A5C6DD
oklch(81% 0.048 238.6)
-
Step 400
400 (this color)
#75AACE
oklch(71.4% 0.077 238.9)
-
Step 500
500
#4B91BE
oklch(63% 0.098 239.1)
-
Step 600
600
#297BAB
oklch(55.6% 0.107 239)
-
Step 700
700
#1A6793
oklch(49% 0.1 239.5)
-
Step 800
800
#195477
oklch(42.6% 0.083 239.5)
-
Step 900
900
#1C4660
oklch(37.7% 0.064 238.9)
-
Step 950
950
#122938
oklch(27% 0.04 239.2)
#75AACE 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) | #9AA9D0 | 0.045 |
| Deuteranopia (no green cones) | #8EA0CD | 0.038 |
| Tritanopia (no blue cones) | #51B3B6 | 0.061 |
| Achromatopsia (no color) | #A4A4A4 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75AACE
#75AACE
oklch(71.4% 0.077 238.9)
- #C79772
#C79772
oklch(71.3% 0.077 58.8)
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 #75AACE, 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 0.041
- Bluey Grey #89A0B0 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.052
- Cool Gray #8D99AE ΔE 0.058
- Cool Grey #95A3A6 ΔE 0.063
- Turquoise Blue #06B1C4 ΔE 0.068
- Pewter #96A8A1 ΔE 0.072
Use #75AACE 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.