#778CA1
Closest named color: Blue Grey (#758DA3). oklch(63.1% 0.04 248.5), rgb(119, 140, 161).
Aa
Black text reads best on this color (6.05:1).
About this color
#778CA1 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.040 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.004 away. Black text reads best on it, at 6.05:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.05:1 |
| White text | 3.47:1 |
Values
| HEX | #778CA1 |
| RGB | rgb(119, 140, 161) |
| HSL | hsl(210, 18%, 55%) |
| OKLCH | oklch(63.1% 0.04 248.5) |
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 #778CA1 | 3.47:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #778CA1 | 6.05:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #778CA1 text on white | 3.47:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #778CA1 text on black | 6.05:1 | AA | Lc -39.4 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B7C2CD
oklch(80.9% 0.02 248.1)
-
Step 400
400
#92A3B4
oklch(70.8% 0.031 248.3)
-
Step 500
500 (this color)
#778CA1
oklch(63.1% 0.04 248.5)
-
Step 600
600
#60768C
oklch(55.6% 0.043 248.6)
-
Step 700
700
#4F6377
oklch(49.1% 0.04 248.7)
-
Step 800
800
#415161
oklch(42.8% 0.033 248.6)
-
Step 900
900
#37434F
oklch(37.7% 0.026 248.5)
-
Step 950
950
#20272E
oklch(26.9% 0.016 248.4)
#778CA1 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) | #848CA2 | 0.018 |
| Deuteranopia (no green cones) | #7F88A1 | 0.015 |
| Tritanopia (no blue cones) | #6B9193 | 0.034 |
| Achromatopsia (no color) | #8A8A8A | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778CA1
#778CA1
oklch(63.1% 0.04 248.5)
- #9A8570
#9A8570
oklch(63% 0.04 67)
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 #778CA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.004
- Silver Lake Blue #778DA9 ΔE 0.012
- Light Slate Gray #778899 ΔE 0.014
- Steel #738595 ΔE 0.024
- Lavender Gray #7E7F9A ΔE 0.035
- Slate Gray #708090 ΔE 0.039
- Steel Grey #6F828A ΔE 0.042
- Faded Blue #658CBB ΔE 0.044
Use #778CA1 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.