#5798FF
Closest named color: Cornflower Blue (#6495ED). oklch(68.5% 0.166 259.2), rgb(87, 152, 255).
Aa
Black text reads best on this color (7.34:1).
About this color
#5798FF is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.166 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.028 away. Black text reads best on it, at 7.34:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.34:1 |
| White text | 2.86:1 |
Values
| HEX | #5798FF |
| RGB | rgb(87, 152, 255) |
| HSL | hsl(217, 100%, 67%) |
| OKLCH | oklch(68.5% 0.166 259.2) |
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 #5798FF | 2.86:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #5798FF | 7.34:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #5798FF text on white | 2.86:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #5798FF text on black | 7.34:1 | AAA | Lc -47.4 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFF
oklch(93.6% 0.031 258.9)
-
Step 200
200
#C3DBFF
oklch(88.5% 0.056 258.4)
-
Step 300
300
#9BC2FF
oklch(80.8% 0.097 259.2)
-
Step 400
400 (this color)
#5798FF
oklch(68.5% 0.166 259.2)
-
Step 500
500
#3484FF
oklch(63.1% 0.199 259.1)
-
Step 600
600
#0069EF
oklch(55.6% 0.218 259.2)
-
Step 700
700
#0058CB
oklch(49.1% 0.193 259.2)
-
Step 800
800
#0048A8
oklch(42.8% 0.167 259.1)
-
Step 900
900
#073C89
oklch(37.6% 0.139 259.3)
-
Step 950
950
#082450
oklch(26.9% 0.088 259.4)
#5798FF 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) | #69A1FF | 0.032 |
| Deuteranopia (no green cones) | #4F91FD | 0.021 |
| Tritanopia (no blue cones) | #00B0BF | 0.136 |
| Achromatopsia (no color) | #999999 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5798FF
#5798FF
oklch(68.5% 0.166 259.2)
- #C88E00
#C88E00
oklch(68.6% 0.142 79.5)
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 #5798FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.028
- Chefchaouen Blue #4895EF ΔE 0.029
- Dodger Blue #1E90FF ΔE 0.045
- Soft Blue #6488EA ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.050
- Periwinkle Blue #8F99FB ΔE 0.063
- Lavender Blue #8B88F8 ΔE 0.066
- Perrywinkle #8F8CE7 ΔE 0.072
Use #5798FF 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.