#75909B
Closest named color: Blue Grey (#758DA3). oklch(63.6% 0.035 224.6), rgb(117, 144, 155).
Aa
Black text reads best on this color (6.21:1).
About this color
#75909B is a medium-light, muted teal or cyan. In OKLCH its lightness is 64%, its chroma 0.035 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.017 away. Black text reads best on it, at 6.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.21:1 |
| White text | 3.37:1 |
Values
| HEX | #75909B |
| RGB | rgb(117, 144, 155) |
| HSL | hsl(197, 16%, 53%) |
| OKLCH | oklch(63.6% 0.035 224.6) |
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 #75909B | 3.37:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #75909B | 6.21:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #75909B text on white | 3.37:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #75909B text on black | 6.21:1 | AA | Lc -40.5 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D3DBDE
oklch(88.6% 0.01 222.1)
-
Step 300
300
#B6C3C9
oklch(80.9% 0.017 227)
-
Step 400
400
#8FA5AD
oklch(70.8% 0.027 221.7)
-
Step 500
500 (this color)
#75909B
oklch(63.6% 0.035 224.6)
-
Step 600
600
#5C7884
oklch(55.5% 0.037 226)
-
Step 700
700
#4B6570
oklch(49% 0.035 225.8)
-
Step 800
800
#3E535B
oklch(42.8% 0.029 223.3)
-
Step 900
900
#35444B
oklch(37.6% 0.023 228)
-
Step 950
950
#1F282C
oklch(27% 0.015 226.6)
#75909B 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) | #8A8E9C | 0.029 |
| Deuteranopia (no green cones) | #848A9B | 0.025 |
| Tritanopia (no blue cones) | #6A9493 | 0.024 |
| Achromatopsia (no color) | #8C8C8C | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75909B
#75909B
oklch(63.6% 0.035 224.6)
- #9E857A
#9E857A
oklch(63.7% 0.035 45.1)
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 #75909B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.017
- Light Slate Gray #778899 ΔE 0.022
- Silver Lake Blue #778DA9 ΔE 0.026
- Steel #738595 ΔE 0.031
- Cadet Blue #5F9EA0 ΔE 0.043
- Steel Grey #6F828A ΔE 0.043
- Slate Gray #708090 ΔE 0.046
- Lavender Gray #7E7F9A ΔE 0.049
Use #75909B 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.