#6199BF
Closest named color: Faded Blue (#658CBB). oklch(65.9% 0.082 239.4), rgb(97, 153, 191).
Aa
Black text reads best on this color (6.81:1).
About this color
#6199BF is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.082 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.035 away. Black text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #6199BF |
| RGB | rgb(97, 153, 191) |
| HSL | hsl(204, 42%, 56%) |
| OKLCH | oklch(65.9% 0.082 239.4) |
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 #6199BF | 3.08:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #6199BF | 6.81:1 | AA | Lc 46.4 | Large or bold text, headings |
| #6199BF text on white | 3.08:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #6199BF text on black | 6.81:1 | AA | Lc -44.1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#AAC5D8
oklch(80.9% 0.04 238.7)
-
Step 400
400
#7CA7C5
oklch(70.8% 0.064 239.2)
-
Step 500
500 (this color)
#6199BF
oklch(65.9% 0.082 239.4)
-
Step 600
600
#3C7AA2
oklch(55.6% 0.089 239.4)
-
Step 700
700
#2E678B
oklch(49.2% 0.083 239.3)
-
Step 800
800
#275471
oklch(42.8% 0.069 239.4)
-
Step 900
900
#25455B
oklch(37.6% 0.054 240.3)
-
Step 950
950
#162935
oklch(27.1% 0.033 237.5)
#6199BF 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) | #8898C1 | 0.046 |
| Deuteranopia (no green cones) | #7B8EBE | 0.040 |
| Tritanopia (no blue cones) | #32A3A6 | 0.066 |
| Achromatopsia (no color) | #939393 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6199BF
#6199BF
oklch(65.9% 0.082 239.4)
- #B8865E
#B8865E
oklch(66% 0.082 59.4)
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 #6199BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.035
- Greyblue #77A1B5 ΔE 0.040
- Silver Lake Blue #778DA9 ΔE 0.043
- Blue Grey #758DA3 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.054
- Dusty Blue #5A86AD ΔE 0.056
- Cool Gray #8D99AE ΔE 0.056
- Bluegrey #85A3B2 ΔE 0.058
Use #6199BF 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.