#5799DF
Closest named color: Cornflower Blue (#6495ED). oklch(67% 0.125 251.4), rgb(87, 153, 223).
Aa
Black text reads best on this color (7.02:1).
About this color
#5799DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.125 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.029 away. Black text reads best on it, at 7.02:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.02:1 |
| White text | 2.98:1 |
Values
| HEX | #5799DF |
| RGB | rgb(87, 153, 223) |
| HSL | hsl(211, 68%, 61%) |
| OKLCH | oklch(67% 0.125 251.4) |
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 #5799DF | 2.98:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #5799DF | 7.02:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #5799DF text on white | 2.98:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #5799DF text on black | 7.02:1 | AAA | Lc -45.5 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC5F2
oklch(81% 0.078 251.1)
-
Step 400
400 (this color)
#5799DF
oklch(67% 0.125 251.4)
-
Step 500
500
#308CE6
oklch(63.1% 0.16 251.6)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#094376
oklch(37.8% 0.103 251.1)
-
Step 950
950
#092745
oklch(26.9% 0.066 251.7)
#5799DF 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) | #7B9CE2 | 0.041 |
| Deuteranopia (no green cones) | #698FDE | 0.030 |
| Tritanopia (no blue cones) | #00A9B2 | 0.101 |
| Achromatopsia (no color) | #959595 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5799DF
#5799DF
oklch(67% 0.125 251.4)
- #C48730
#C48730
oklch(67% 0.124 71.7)
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 #5799DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.029
- Chefchaouen Blue #4895EF ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.038
- Soft Blue #6488EA ΔE 0.052
- Faded Blue #658CBB ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.068
- Perrywinkle #8F8CE7 ΔE 0.073
- Water Blue #0E87CC ΔE 0.076
Use #5799DF 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.