#6594AC
Closest named color: Blue Grey (#758DA3). oklch(64.2% 0.062 231.2), rgb(101, 148, 172).
Aa
Black text reads best on this color (6.38:1).
About this color
#6594AC is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.062 and its hue 231°. 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 6.38:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #6594AC |
| RGB | rgb(101, 148, 172) |
| HSL | hsl(200, 30%, 54%) |
| OKLCH | oklch(64.2% 0.062 231.2) |
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 #6594AC | 3.28:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #6594AC | 6.38:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #6594AC text on white | 3.28:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #6594AC text on black | 6.38:1 | 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
#82A7BA
oklch(70.8% 0.049 230.6)
-
Step 500
500 (this color)
#6594AC
oklch(64.2% 0.062 231.2)
-
Step 600
600
#477B94
oklch(55.7% 0.068 230.5)
-
Step 700
700
#39677E
oklch(49.1% 0.063 231.7)
-
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)
#6594AC 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) | #8892AD | 0.044 |
| Deuteranopia (no green cones) | #7E8AAC | 0.039 |
| Tritanopia (no blue cones) | #499B9C | 0.046 |
| Achromatopsia (no color) | #8E8E8E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6594AC
#6594AC
oklch(64.2% 0.062 231.2)
- #AC826A
#AC826A
oklch(64.1% 0.063 51)
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 #6594AC, 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
- Faded Blue #658CBB ΔE 0.037
- Cadet Blue #5F9EA0 ΔE 0.039
- Light Slate Gray #778899 ΔE 0.040
- Greyblue #77A1B5 ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.045
- Steel #738595 ΔE 0.047
Use #6594AC 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.