#589DF3
Closest named color: Cornflower Blue (#6495ED). oklch(68.9% 0.146 255), rgb(88, 157, 243).
Aa
Black text reads best on this color (7.53:1).
About this color
#589DF3 is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.146 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.022 away. Black text reads best on it, at 7.53:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.53:1 |
| White text | 2.78:1 |
Values
| HEX | #589DF3 |
| RGB | rgb(88, 157, 243) |
| HSL | hsl(213, 87%, 65%) |
| OKLCH | oklch(68.9% 0.146 255) |
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 #589DF3 | 2.78:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #589DF3 | 7.53:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #589DF3 text on white | 2.78:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #589DF3 text on black | 7.53:1 | AAA | Lc -48.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C3DBFB
oklch(88.4% 0.051 255.7)
-
Step 300
300
#99C4FB
oklch(81% 0.091 254.9)
-
Step 400
400 (this color)
#589DF3
oklch(68.9% 0.146 255)
-
Step 500
500
#2788F6
oklch(63% 0.186 255.1)
-
Step 600
600
#0071DA
oklch(55.6% 0.182 254.8)
-
Step 700
700
#005EB9
oklch(49% 0.162 255.1)
-
Step 800
800
#004D99
oklch(42.7% 0.14 255)
-
Step 900
900
#034080
oklch(37.7% 0.122 255.2)
-
Step 950
950
#07264B
oklch(27% 0.077 255.4)
#589DF3 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) | #77A3F7 | 0.038 |
| Deuteranopia (no green cones) | #6294F1 | 0.024 |
| Tritanopia (no blue cones) | #00B1BD | 0.117 |
| Achromatopsia (no color) | #9B9B9B | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #589DF3
#589DF3
oklch(68.9% 0.146 255)
- #CF8C00
#CF8C00
oklch(69% 0.146 75.1)
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 #589DF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.022
- Chefchaouen Blue #4895EF ΔE 0.027
- Dark Sky Blue #448EE4 ΔE 0.049
- Soft Blue #6488EA ΔE 0.054
- Dodger Blue #1E90FF ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.063
- Perrywinkle #8F8CE7 ΔE 0.071
- Lavender Blue #8B88F8 ΔE 0.075
Use #589DF3 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.