#679BDB
Closest named color: Cornflower Blue (#6495ED). oklch(68% 0.11 254.3), rgb(103, 155, 219).
Aa
Black text reads best on this color (7.28:1).
About this color
#679BDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.110 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.035 away. Black text reads best on it, at 7.28:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.28:1 |
| White text | 2.88:1 |
Values
| HEX | #679BDB |
| RGB | rgb(103, 155, 219) |
| HSL | hsl(213, 62%, 63%) |
| OKLCH | oklch(68% 0.11 254.3) |
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 #679BDB | 2.88:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #679BDB | 7.28:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #679BDB text on white | 2.88:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #679BDB text on black | 7.28:1 | AAA | Lc -46.9 | 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
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A2C4ED
oklch(81% 0.069 253.4)
-
Step 400
400 (this color)
#679BDB
oklch(68% 0.11 254.3)
-
Step 500
500
#478BDC
oklch(63% 0.141 254.3)
-
Step 600
600
#2673CA
oklch(55.5% 0.154 254.5)
-
Step 700
700
#1760AF
oklch(49% 0.143 254.4)
-
Step 800
800
#174F8D
oklch(42.7% 0.117 254.2)
-
Step 900
900
#1A4271
oklch(37.7% 0.092 254.4)
-
Step 950
950
#102742
oklch(27% 0.058 253.9)
#679BDB 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) | #819EDE | 0.032 |
| Deuteranopia (no green cones) | #7393DA | 0.024 |
| Tritanopia (no blue cones) | #25A9B2 | 0.096 |
| Achromatopsia (no color) | #989898 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #679BDB
#679BDB
oklch(68% 0.11 254.3)
- #C08D43
#C08D43
oklch(67.9% 0.11 74.1)
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 #679BDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.035
- Chefchaouen Blue #4895EF ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.055
- Faded Blue #658CBB ΔE 0.056
- Soft Blue #6488EA ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.065
- Greyblue #77A1B5 ΔE 0.066
- Periwinkle Blue #8F99FB ΔE 0.071
Use #679BDB 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.