#619ABC
Closest named color: Greyblue (#77A1B5). oklch(66% 0.078 235.9), rgb(97, 154, 188).
Aa
Black text reads best on this color (6.85:1).
About this color
#619ABC is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.078 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.036 away. Black text reads best on it, at 6.85:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 6.85:1 |
| White text | 3.06:1 |
Values
| HEX | #619ABC |
| RGB | rgb(97, 154, 188) |
| HSL | hsl(202, 40%, 56%) |
| OKLCH | oklch(66% 0.078 235.9) |
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 #619ABC | 3.06:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #619ABC | 6.85:1 | AA | Lc 46.7 | Large or bold text, headings |
| #619ABC text on white | 3.06:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #619ABC text on black | 6.85:1 | AA | Lc -44.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#AAC5D6
oklch(80.9% 0.038 235.6)
-
Step 400
400
#7BA7C2
oklch(70.6% 0.062 235.7)
-
Step 500
500 (this color)
#619ABC
oklch(66% 0.078 235.9)
-
Step 600
600
#3C7B9E
oklch(55.6% 0.085 235.4)
-
Step 700
700
#2D6788
oklch(49% 0.08 236.6)
-
Step 800
800
#27546E
oklch(42.6% 0.066 236.5)
-
Step 900
900
#254659
oklch(37.8% 0.051 235.5)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#619ABC 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) | #8A99BE | 0.049 |
| Deuteranopia (no green cones) | #7E8FBB | 0.042 |
| Tritanopia (no blue cones) | #35A3A5 | 0.061 |
| Achromatopsia (no color) | #939393 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #619ABC
#619ABC
oklch(66% 0.078 235.9)
- #B88663
#B88663
oklch(66.1% 0.079 55.9)
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 #619ABC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.036
- Faded Blue #658CBB ΔE 0.039
- Silver Lake Blue #778DA9 ΔE 0.043
- Blue Grey #758DA3 ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.048
- Cool Gray #8D99AE ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.054
- Bluey Grey #89A0B0 ΔE 0.055
Use #619ABC 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.