#6594AB
Closest named color: Blue Grey (#758DA3). oklch(64.1% 0.061 230.1), rgb(101, 148, 171).
Aa
Black text reads best on this color (6.37:1).
About this color
#6594AB is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.061 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.025 away. Black text reads best on it, at 6.37:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #6594AB |
| RGB | rgb(101, 148, 171) |
| HSL | hsl(200, 29%, 53%) |
| OKLCH | oklch(64.1% 0.061 230.1) |
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 #6594AB | 3.29:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #6594AB | 6.37:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #6594AB text on white | 3.29:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #6594AB text on black | 6.37:1 | AA | Lc -41.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AEC5D1
oklch(81% 0.03 230.4)
-
Step 400
400
#82A7B9
oklch(70.7% 0.048 229.2)
-
Step 500
500 (this color)
#6594AB
oklch(64.1% 0.061 230.1)
-
Step 600
600
#487B93
oklch(55.7% 0.066 229.9)
-
Step 700
700
#39677D
oklch(49% 0.062 230.5)
-
Step 800
800
#2F5466
oklch(42.6% 0.052 230.8)
-
Step 900
900
#2A4653
oklch(37.8% 0.04 229.1)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#6594AB 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) | #8892AC | 0.044 |
| Deuteranopia (no green cones) | #7E8AAB | 0.039 |
| Tritanopia (no blue cones) | #4A9B9B | 0.045 |
| Achromatopsia (no color) | #8E8E8E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6594AB
#6594AB
oklch(64.1% 0.061 230.1)
- #AC826B
#AC826B
oklch(64.1% 0.062 49.9)
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 #6594AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.025
- Silver Lake Blue #778DA9 ΔE 0.027
- Cadet Blue #5F9EA0 ΔE 0.038
- Faded Blue #658CBB ΔE 0.038
- Light Slate Gray #778899 ΔE 0.039
- Greyblue #77A1B5 ΔE 0.045
- Dusty Blue #5A86AD ΔE 0.045
- Steel #738595 ΔE 0.046
Use #6594AB 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.