#579ABE
Closest named color: Faded Blue (#658CBB). oklch(65.6% 0.087 233.7), rgb(87, 154, 190).
Aa
Black text reads best on this color (6.77:1).
About this color
#579ABE is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.087 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.039 away. Black text reads best on it, at 6.77:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.77:1 |
| White text | 3.10:1 |
Values
| HEX | #579ABE |
| RGB | rgb(87, 154, 190) |
| HSL | hsl(201, 44%, 54%) |
| OKLCH | oklch(65.6% 0.087 233.7) |
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 #579ABE | 3.10:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #579ABE | 6.77:1 | AA | Lc 46.2 | Large or bold text, headings |
| #579ABE text on white | 3.10:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #579ABE text on black | 6.77:1 | AA | Lc -43.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A7C6D8
oklch(81% 0.042 233.5)
-
Step 400
400
#76A8C5
oklch(70.7% 0.068 234.5)
-
Step 500
500 (this color)
#579ABE
oklch(65.6% 0.087 233.7)
-
Step 600
600
#2F7CA2
oklch(55.6% 0.095 233.7)
-
Step 700
700
#21688B
oklch(49% 0.088 234.5)
-
Step 800
800
#1E5571
oklch(42.7% 0.073 234.5)
-
Step 900
900
#1F465B
oklch(37.6% 0.057 234.6)
-
Step 950
950
#132935
oklch(26.9% 0.036 234.1)
#579ABE 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) | #8998C0 | 0.057 |
| Deuteranopia (no green cones) | #7A8EBD | 0.048 |
| Tritanopia (no blue cones) | #09A4A6 | 0.067 |
| Achromatopsia (no color) | #929292 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #579ABE
#579ABE
oklch(65.6% 0.087 233.7)
- #BB825D
#BB825D
oklch(65.5% 0.087 53.6)
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 #579ABE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.039
- Greyblue #77A1B5 ΔE 0.044
- Silver Lake Blue #778DA9 ΔE 0.049
- Cadet Blue #5F9EA0 ΔE 0.051
- Blue Grey #758DA3 ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.056
- Off Blue #5684AE ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.063
Use #579ABE 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.