#6199BC
Closest named color: Faded Blue (#658CBB). oklch(65.8% 0.079 237.1), rgb(97, 153, 188).
Aa
Black text reads best on this color (6.79:1).
About this color
#6199BC is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.079 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.036 away. Black text reads best on it, at 6.79:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.79:1 |
| White text | 3.09:1 |
Values
| HEX | #6199BC |
| RGB | rgb(97, 153, 188) |
| HSL | hsl(203, 40%, 56%) |
| OKLCH | oklch(65.8% 0.079 237.1) |
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 #6199BC | 3.09:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #6199BC | 6.79:1 | AA | Lc 46.3 | Large or bold text, headings |
| #6199BC text on white | 3.09:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #6199BC text on black | 6.79:1 | AA | Lc -44.0 | Non-text elements, placeholder text |
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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE6
oklch(88.6% 0.021 236.8)
-
Step 300
300
#AAC5D7
oklch(80.9% 0.039 237.2)
-
Step 400
400
#7CA7C3
oklch(70.7% 0.062 237.3)
-
Step 500
500 (this color)
#6199BC
oklch(65.8% 0.079 237.1)
-
Step 600
600
#3D7B9F
oklch(55.7% 0.085 236.5)
-
Step 700
700
#2E6788
oklch(49.1% 0.08 236.9)
-
Step 800
800
#28546F
oklch(42.7% 0.066 238)
-
Step 900
900
#25465A
oklch(37.8% 0.052 236.9)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#6199BC 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) | #8998BE | 0.048 |
| Deuteranopia (no green cones) | #7D8EBB | 0.042 |
| Tritanopia (no blue cones) | #35A2A4 | 0.063 |
| Achromatopsia (no color) | #929292 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6199BC
#6199BC
oklch(65.8% 0.079 237.1)
- #B78561
#B78561
oklch(65.7% 0.079 56.6)
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 #6199BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.036
- Greyblue #77A1B5 ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.041
- Blue Grey #758DA3 ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.050
- Cool Gray #8D99AE ΔE 0.055
- Dusty Blue #5A86AD ΔE 0.055
- Bluegrey #85A3B2 ΔE 0.056
Use #6199BC 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.