#589BDE
Closest named color: Cornflower Blue (#6495ED). oklch(67.4% 0.121 250.1), rgb(88, 155, 222).
Aa
Black text reads best on this color (7.15:1).
About this color
#589BDE is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.121 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.033 away. Black text reads best on it, at 7.15:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.15:1 |
| White text | 2.93:1 |
Values
| HEX | #589BDE |
| RGB | rgb(88, 155, 222) |
| HSL | hsl(210, 67%, 61%) |
| OKLCH | oklch(67.4% 0.121 250.1) |
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 #589BDE | 2.93:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #589BDE | 7.15:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #589BDE text on white | 2.93:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #589BDE text on black | 7.15:1 | AAA | Lc -46.2 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#DFEBF8
oklch(93.5% 0.022 250.2)
-
Step 200
200
#C5DCF5
oklch(88.5% 0.042 250.5)
-
Step 300
300
#9CC5F0
oklch(80.9% 0.075 250)
-
Step 400
400 (this color)
#589BDE
oklch(67.4% 0.121 250.1)
-
Step 500
500
#2E8DE2
oklch(63% 0.154 249.9)
-
Step 600
600
#0076CB
oklch(55.7% 0.158 250)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#084374
oklch(37.6% 0.101 250)
-
Step 950
950
#092844
oklch(27.1% 0.063 249.6)
#589BDE 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) | #7E9EE1 | 0.043 |
| Deuteranopia (no green cones) | #6C91DD | 0.031 |
| Tritanopia (no blue cones) | #00ABB3 | 0.099 |
| Achromatopsia (no color) | #979797 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #589BDE
#589BDE
oklch(67.4% 0.121 250.1)
- #C68837
#C68837
oklch(67.5% 0.122 70)
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 #589BDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.033
- Chefchaouen Blue #4895EF ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.044
- Soft Blue #6488EA ΔE 0.058
- Faded Blue #658CBB ΔE 0.058
- Dodger Blue #1E90FF ΔE 0.073
- Greyblue #77A1B5 ΔE 0.074
- Perrywinkle #8F8CE7 ΔE 0.075
Use #589BDE 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.