#5A7AAB
Closest named color: Off Blue (#5684AE). oklch(57.6% 0.085 258.7), rgb(90, 122, 171).
Aa
Black text reads best on this color (4.80:1).
About this color
#5A7AAB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.085 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.028 away. Black text reads best on it, at 4.80:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.80:1 |
| White text | 4.36:1 |
Values
| HEX | #5A7AAB |
| RGB | rgb(90, 122, 171) |
| HSL | hsl(216, 33%, 51%) |
| OKLCH | oklch(57.6% 0.085 258.7) |
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 #5A7AAB | 4.36:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #5A7AAB | 4.80:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #5A7AAB text on white | 4.36:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #5A7AAB text on black | 4.80:1 | AA | Lc -31.5 | 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 600.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B2C2DA
oklch(81% 0.038 258.4)
-
Step 400
400
#8AA2C7
oklch(70.7% 0.061 258.9)
-
Step 500
500
#6D8BB9
oklch(63.2% 0.078 258.8)
-
Step 600
600 (this color)
#5A7AAB
oklch(57.6% 0.085 258.7)
-
Step 700
700
#45618D
oklch(49% 0.079 259.2)
-
Step 800
800
#395073
oklch(42.8% 0.065 258.6)
-
Step 900
900
#31425D
oklch(37.7% 0.052 259.4)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#5A7AAB 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) | #677DAD | 0.020 |
| Deuteranopia (no green cones) | #5E75AA | 0.014 |
| Tritanopia (no blue cones) | #39858B | 0.076 |
| Achromatopsia (no color) | #797979 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A7AAB
#5A7AAB
oklch(57.6% 0.085 258.7)
- #94733B
#94733B
oklch(57.6% 0.085 79)
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 #5A7AAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.028
- Stormy Blue #507B9C ΔE 0.028
- Steel Blue #4682B4 ΔE 0.028
- Cool Blue #4984B8 ΔE 0.032
- Cerulean #457B9D ΔE 0.034
- Dull Blue #49759C ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.034
- Flat Blue #3C73A8 ΔE 0.040
Use #5A7AAB 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.