#6B90AA
Closest named color: Blue Grey (#758DA3). oklch(63.5% 0.057 239.4), rgb(107, 144, 170).
Aa
Black text reads best on this color (6.19:1).
About this color
#6B90AA is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.057 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.015 away. Black text reads best on it, at 6.19:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.19:1 |
| White text | 3.38:1 |
Values
| HEX | #6B90AA |
| RGB | rgb(107, 144, 170) |
| HSL | hsl(205, 27%, 54%) |
| OKLCH | oklch(63.5% 0.057 239.4) |
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 #6B90AA | 3.38:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #6B90AA | 6.19:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #6B90AA text on white | 3.38:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #6B90AA text on black | 6.19:1 | AA | Lc -40.4 | 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
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300
#B1C4D1
oklch(81% 0.028 237.7)
-
Step 400
400
#88A5BA
oklch(70.7% 0.045 239.7)
-
Step 500
500 (this color)
#6B90AA
oklch(63.5% 0.057 239.4)
-
Step 600
600
#517994
oklch(55.7% 0.061 238.8)
-
Step 700
700
#41657E
oklch(49% 0.058 239.8)
-
Step 800
800
#365366
oklch(42.7% 0.047 238.1)
-
Step 900
900
#2F4453
oklch(37.6% 0.037 240.1)
-
Step 950
950
#1C2831
oklch(27% 0.024 241.1)
#6B90AA 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) | #858FAB | 0.033 |
| Deuteranopia (no green cones) | #7C88AA | 0.030 |
| Tritanopia (no blue cones) | #559798 | 0.046 |
| Achromatopsia (no color) | #8B8B8B | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B90AA
#6B90AA
oklch(63.5% 0.057 239.4)
- #A58368
#A58368
oklch(63.5% 0.057 60)
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 #6B90AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.015
- Silver Lake Blue #778DA9 ΔE 0.016
- Light Slate Gray #778899 ΔE 0.030
- Faded Blue #658CBB ΔE 0.032
- Steel #738595 ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.038
- Off Blue #5684AE ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.049
Use #6B90AA 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.