#6188BA
Closest named color: Faded Blue (#658CBB). oklch(61.8% 0.088 255), rgb(97, 136, 186).
Aa
Black text reads best on this color (5.73:1).
About this color
#6188BA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.088 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.013 away. Black text reads best on it, at 5.73:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.73:1 |
| White text | 3.65:1 |
Values
| HEX | #6188BA |
| RGB | rgb(97, 136, 186) |
| HSL | hsl(214, 39%, 55%) |
| OKLCH | oklch(61.8% 0.088 255) |
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 #6188BA | 3.65:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #6188BA | 5.73:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #6188BA text on white | 3.65:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #6188BA text on black | 5.73:1 | AA | Lc -37.6 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EAF2
oklch(93.5% 0.013 255.5)
-
Step 200
200
#CFDAE9
oklch(88.5% 0.024 256.1)
-
Step 300
300
#AEC3DD
oklch(81% 0.043 253.8)
-
Step 400
400
#84A3CB
oklch(70.7% 0.068 255)
-
Step 500
500 (this color)
#6188BA
oklch(61.8% 0.088 255)
-
Step 600
600
#4B75AA
oklch(55.5% 0.095 254.9)
-
Step 700
700
#3C6292
oklch(49% 0.089 254.9)
-
Step 800
800
#325077
oklch(42.6% 0.075 255.5)
-
Step 900
900
#2C4360
oklch(37.8% 0.058 254.7)
-
Step 950
950
#1A2738
oklch(26.9% 0.037 255.4)
#6188BA 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) | #758ABC | 0.026 |
| Deuteranopia (no green cones) | #6A82B9 | 0.018 |
| Tritanopia (no blue cones) | #3B9399 | 0.077 |
| Achromatopsia (no color) | #868686 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6188BA
#6188BA
oklch(61.8% 0.088 255)
- #A57E46
#A57E46
oklch(61.9% 0.088 74.9)
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 #6188BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.013
- Dusty Blue #5A86AD ΔE 0.022
- Off Blue #5684AE ΔE 0.025
- Cool Blue #4984B8 ΔE 0.029
- Steel Blue #4682B4 ΔE 0.036
- Silver Lake Blue #778DA9 ΔE 0.043
- Blue Grey #758DA3 ΔE 0.048
- Light Slate Gray #778899 ΔE 0.056
Use #6188BA 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.