#75B4DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(74.2% 0.086 236.7), rgb(117, 180, 219).
Aa
Black text reads best on this color (9.30:1).
About this color
#75B4DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.086 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.054 away. Black text reads best on it, at 9.30:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.30:1 |
| White text | 2.25:1 |
Values
| HEX | #75B4DB |
| RGB | rgb(117, 180, 219) |
| HSL | hsl(203, 59%, 66%) |
| OKLCH | oklch(74.2% 0.086 236.7) |
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 #75B4DB | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #75B4DB | 9.30:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #75B4DB text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #75B4DB text on black | 9.30:1 | AAA | Lc -57.8 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C7DDEB
oklch(88.6% 0.03 235.7)
-
Step 300
300
#A0C7DF
oklch(81% 0.054 235.3)
-
Step 400
400 (this color)
#75B4DB
oklch(74.2% 0.086 236.7)
-
Step 500
500
#3C93C3
oklch(63.2% 0.109 236.5)
-
Step 600
600
#067CB0
oklch(55.6% 0.12 237)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#02557A
oklch(42.6% 0.092 236.7)
-
Step 900
900
#124763
oklch(37.8% 0.072 236.7)
-
Step 950
950
#0D2A3A
oklch(27.1% 0.045 236.1)
#75B4DB 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) | #A2B3DD | 0.052 |
| Deuteranopia (no green cones) | #94A8DA | 0.045 |
| Tritanopia (no blue cones) | #46BEC1 | 0.067 |
| Achromatopsia (no color) | #ADADAD | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75B4DB
#75B4DB
oklch(74.2% 0.086 236.7)
- #D59E76
#D59E76
oklch(74.2% 0.085 57)
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 #75B4DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.054
- Light Cornflower Blue #98C1D9 ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.058
- Vivid Sky Blue #4CC9F0 ΔE 0.059
- Lightblue #7BC8F6 ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.065
- Greyblue #77A1B5 ΔE 0.065
Use #75B4DB 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.