#619FDB
Closest named color: Cornflower Blue (#6495ED). oklch(68.5% 0.11 249), rgb(97, 159, 219).
Aa
Black text reads best on this color (7.49:1).
About this color
#619FDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.110 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.043 away. Black text reads best on it, at 7.49:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #619FDB |
| RGB | rgb(97, 159, 219) |
| HSL | hsl(210, 63%, 62%) |
| OKLCH | oklch(68.5% 0.11 249) |
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 #619FDB | 2.80:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #619FDB | 7.49:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #619FDB text on white | 2.80:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #619FDB text on black | 7.49:1 | AAA | Lc -48.1 | 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
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C6DCF2
oklch(88.5% 0.038 248.3)
-
Step 300
300
#9FC5EC
oklch(80.9% 0.069 249.4)
-
Step 400
400 (this color)
#619FDB
oklch(68.5% 0.11 249)
-
Step 500
500
#398EDA
oklch(63.1% 0.14 249)
-
Step 600
600
#0276C8
oklch(55.5% 0.154 249.3)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#104470
oklch(37.8% 0.092 248.9)
-
Step 950
950
#0C2841
oklch(27% 0.058 248.6)
#619FDB 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) | #86A1DE | 0.043 |
| Deuteranopia (no green cones) | #7695DA | 0.033 |
| Tritanopia (no blue cones) | #00ADB4 | 0.094 |
| Achromatopsia (no color) | #9A9A9A | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #619FDB
#619FDB
oklch(68.5% 0.11 249)
- #C68D48
#C68D48
oklch(68.6% 0.11 69.3)
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 #619FDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.043
- Chefchaouen Blue #4895EF ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.061
- Faded Blue #658CBB ΔE 0.062
- Greyblue #77A1B5 ΔE 0.062
- Soft Blue #6488EA ΔE 0.071
- Bluegrey #85A3B2 ΔE 0.075
- Perrywinkle #8F8CE7 ΔE 0.076
Use #619FDB 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.