#758DA3
Named color: Blue Grey. oklch(63.3% 0.043 246.2), rgb(117, 141, 163).
Aa
Black text reads best on this color (6.09:1).
About this color
#758DA3 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.043 and its hue 246°. Its hue sits on the cool side of the wheel. It is the named color Blue Grey. Black text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Blue Grey |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #758DA3 |
| RGB | rgb(117, 141, 163) |
| HSL | hsl(209, 20%, 55%) |
| OKLCH | oklch(63.3% 0.043 246.2) |
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 #758DA3 | 3.44:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #758DA3 | 6.09:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #758DA3 text on white | 3.44:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #758DA3 text on black | 6.09:1 | AA | Lc -39.7 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE1
oklch(88.5% 0.012 248)
-
Step 300
300
#B6C2CE
oklch(80.8% 0.022 248.1)
-
Step 400
400
#90A3B5
oklch(70.7% 0.034 246.9)
-
Step 500
500 (this color)
#758DA3
oklch(63.3% 0.043 246.2)
-
Step 600
600
#5D768E
oklch(55.5% 0.048 247.6)
-
Step 700
700
#4C6378
oklch(48.9% 0.044 246.4)
-
Step 800
800
#3F5162
oklch(42.7% 0.036 247.2)
-
Step 900
900
#354350
oklch(37.6% 0.029 246.7)
-
Step 950
950
#1F272F
oklch(26.9% 0.019 248.5)
#758DA3 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) | #848DA4 | 0.020 |
| Deuteranopia (no green cones) | #7F88A3 | 0.018 |
| Tritanopia (no blue cones) | #689294 | 0.035 |
| Achromatopsia (no color) | #8A8A8A | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #758DA3
#758DA3
oklch(63.3% 0.043 246.2)
- #9C856F
#9C856F
oklch(63.2% 0.042 65.7)
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 #758DA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.010
- Light Slate Gray #778899 ΔE 0.017
- Steel #738595 ΔE 0.027
- Lavender Gray #7E7F9A ΔE 0.038
- Faded Blue #658CBB ΔE 0.041
- Slate Gray #708090 ΔE 0.042
- Steel Grey #6F828A ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.044
Use #758DA3 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.