#6199CF
Closest named color: Faded Blue (#658CBB). oklch(66.6% 0.1 248.7), rgb(97, 153, 207).
Aa
Black text reads best on this color (6.96:1).
About this color
#6199CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.100 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.041 away. Black text reads best on it, at 6.96:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #6199CF |
| RGB | rgb(97, 153, 207) |
| HSL | hsl(209, 53%, 60%) |
| OKLCH | oklch(66.6% 0.1 248.7) |
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 #6199CF | 3.01:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #6199CF | 6.96:1 | AA | Lc 47.3 | Large or bold text, headings |
| #6199CF text on white | 3.01:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #6199CF text on black | 6.96:1 | AA | Lc -45.0 | 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 500.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#A9C4DF
oklch(80.9% 0.048 248.4)
-
Step 400
400
#7AA5D0
oklch(70.7% 0.079 249)
-
Step 500
500 (this color)
#6199CF
oklch(66.6% 0.1 248.7)
-
Step 600
600
#3A77B0
oklch(55.5% 0.109 249)
-
Step 700
700
#2C6497
oklch(49.1% 0.101 248.8)
-
Step 800
800
#26527B
oklch(42.8% 0.084 249)
-
Step 900
900
#244463
oklch(37.7% 0.066 249.2)
-
Step 950
950
#15283A
oklch(27% 0.042 248.4)
#6199CF 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) | #839BD1 | 0.040 |
| Deuteranopia (no green cones) | #7490CE | 0.030 |
| Tritanopia (no blue cones) | #20A6AC | 0.086 |
| Achromatopsia (no color) | #949494 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6199CF
#6199CF
oklch(66.6% 0.1 248.7)
- #BC884C
#BC884C
oklch(66.5% 0.1 68.6)
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 #6199CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.056
- Greyblue #77A1B5 ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.056
- Silver Lake Blue #778DA9 ΔE 0.060
- Blue Grey #758DA3 ΔE 0.066
- Dusty Blue #5A86AD ΔE 0.067
Use #6199CF 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.