#588ACA
Closest named color: Faded Blue (#658CBB). oklch(62.6% 0.111 255.2), rgb(88, 138, 202).
Aa
Black text reads best on this color (5.90:1).
About this color
#588ACA is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.111 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.028 away. Black text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #588ACA |
| RGB | rgb(88, 138, 202) |
| HSL | hsl(214, 52%, 57%) |
| OKLCH | oklch(62.6% 0.111 255.2) |
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 #588ACA | 3.55:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #588ACA | 5.90:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #588ACA text on white | 3.55:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #588ACA text on black | 5.90:1 | AA | Lc -38.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#AAC3E4
oklch(81% 0.054 255.4)
-
Step 400
400
#7CA3D6
oklch(70.7% 0.087 255.4)
-
Step 500
500 (this color)
#588ACA
oklch(62.6% 0.111 255.2)
-
Step 600
600
#3E74B9
oklch(55.5% 0.122 255.5)
-
Step 700
700
#30619F
oklch(49% 0.113 255.4)
-
Step 800
800
#295081
oklch(42.8% 0.093 255.2)
-
Step 900
900
#264367
oklch(37.8% 0.071 254.7)
-
Step 950
950
#16273D
oklch(27% 0.047 255.4)
#588ACA 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) | #708ECD | 0.031 |
| Deuteranopia (no green cones) | #6183C9 | 0.020 |
| Tritanopia (no blue cones) | #0098A1 | 0.097 |
| Achromatopsia (no color) | #888888 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588ACA
#588ACA
oklch(62.6% 0.111 255.2)
- #AF7D2F
#AF7D2F
oklch(62.6% 0.111 74.8)
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 #588ACA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.028
- Cool Blue #4984B8 ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.040
- Off Blue #5684AE ΔE 0.043
- Dusty Blue #5A86AD ΔE 0.043
- Steel Blue #4682B4 ΔE 0.043
- Water Blue #0E87CC ΔE 0.048
- Soft Blue #6488EA ΔE 0.053
Use #588ACA 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.