#6191AC
Closest named color: Blue Grey (#758DA3). oklch(63.3% 0.066 233.9), rgb(97, 145, 172).
Aa
Black text reads best on this color (6.15:1).
About this color
#6191AC is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.066 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.025 away. Black text reads best on it, at 6.15:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.15:1 |
| White text | 3.41:1 |
Values
| HEX | #6191AC |
| RGB | rgb(97, 145, 172) |
| HSL | hsl(202, 31%, 53%) |
| OKLCH | oklch(63.3% 0.066 233.9) |
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 #6191AC | 3.41:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #6191AC | 6.15:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #6191AC text on white | 3.41:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #6191AC text on black | 6.15:1 | AA | Lc -40.1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#ADC5D3
oklch(81% 0.033 233.4)
-
Step 400
400
#81A7BC
oklch(70.8% 0.052 232.6)
-
Step 500
500 (this color)
#6191AC
oklch(63.3% 0.066 233.9)
-
Step 600
600
#467A97
oklch(55.5% 0.072 234.5)
-
Step 700
700
#376781
oklch(49.1% 0.067 234.1)
-
Step 800
800
#2E5469
oklch(42.7% 0.056 234.3)
-
Step 900
900
#2A4655
oklch(37.9% 0.042 232.9)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#6191AC 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) | #8490AD | 0.043 |
| Deuteranopia (no green cones) | #7A87AC | 0.039 |
| Tritanopia (no blue cones) | #42989A | 0.049 |
| Achromatopsia (no color) | #8B8B8B | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6191AC
#6191AC
oklch(63.3% 0.066 233.9)
- #AA7F64
#AA7F64
oklch(63.2% 0.066 53.3)
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 #6191AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.025
- Silver Lake Blue #778DA9 ΔE 0.027
- Faded Blue #658CBB ΔE 0.031
- Dusty Blue #5A86AD ΔE 0.034
- Light Slate Gray #778899 ΔE 0.038
- Off Blue #5684AE ΔE 0.042
- Steel #738595 ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.047
Use #6191AC 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.